Hecho general: 7623 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 7623 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 7623 is an uninteresting number.
Fecha histórica: November 13th is the day in 1841 that James Braid first sees a demonstration of animal magnetism, which leads to his study of the subject he eventually calls hypnotism.