23 enigma
belief that most incidents and events are directly connected to the number 23

The 23 enigma is a belief in the significance of the number 23. The concept of the 23 enigma has been popularized by various books, movies, and conspiracy theories, which suggest that the number 23 appears with unusual frequency in various contexts and may have a larger, hidden significance. Since the 1990s, the free techno and raver counterculture has adopted it as a symbol.
Origins
Robert Anton Wilson cites William S. Burroughs as the first person to believe in the 23 enigma. In a 1977 article in Fortean Times Wilson related the following anecdote:
I first heard of the 23 enigma from William S Burroughs, author of Naked Lunch, Nova Express, etc. According to Burroughs, he had known a certain Captain Clark, around 1960 in Tangier, who once bragged that he had been sailing 23 years without an accident. That very day, Clark’s ship had an accident that killed him and everybody else aboard. Furthermore, while Burroughs was thinking about this crude example of the irony of the gods that evening, a bulletin on the radio announced the crash of an airliner in Florida, USA. The pilot was another Captain Clark and the flight was Flight 23.
In literature
The 23 enigma can be seen in:
Robert Anton Wilson and Robert Shea's 1975 book The Illuminatus! Trilogy (therein called the "23/17 Phenomenon")
Wilson's 1977 book Cosmic Trigger I: The Final Secret of the Illuminati (therein called "the Law of Fives" or "the 23 Enigma")
Arthur Koestler's contribution to The Challenge of Chance: A Mass Experiment in Telepathy and Its Unexpected Outcome (1973)
Principia Discordia
The text titled Principia Discordia claims that "All things happen in fives, or are divisible by or are multiples of five, or are somehow directly or indirectly appropriate to 5"—this is referred to as the Law of Fives.
Begin with the source’s own compact description: “23 enigma” is belief that most incidents and events are directly connected to the number 23. The dossier treats that line as a proposition to test through enigma, belief and most, not as a finished interpretation.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 25, 2026. The linked authority identifier is Q5151881. The first chronological checks are 1977, 1960, 1975 and 1973.
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This entry incorporates text from “23 enigma” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.