http://www.imdb.com/title/tt0126765/
http://dauddegtre.co.uk/23Video/23.html
http://www.independent.co.uk/news/uk/this-britain/23-fascinating-facts-about-the-number-twentythree-437520.html
It *could* all just be a coincidence...
However, when a series of coincidence is perceived, sometimes the result is a perceived synchronicity. Thus, such a synchronicity seems to be part of a pattern that's beyond simple coincidence.
The #23_Enigma#Origins
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Chapter 23: "Brown's relationship with his father inspired that of Sophie Neveu and Jacques Sauniere in The Da Vinci Code, and Chapter 23 of that novel was inspired by one of his childhood treasure hunts." http://en.wikipedia.org/wiki/Dan_Brown#Early_life_and_education
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