The Number 23 (USA, 2006)

Director Joel Schumacher tells the story of Walter Sparrrow (Jim Carrey) who one day finds a book titled "the Number 23" It is an autobiography about a man who at the end becomes obssessed with the number 23. Everywhere he would see this number and make references to his birthday, address, and other calculations, and everytime he would come up with this number. Walter, as he reads the novel, becomes interested, and relates to the main character in the book, and even obssessed with these numbers. Only at the end do we find out that the book was written by Walter himself, and that a horrible crime was committed.