Hecho general: 2328 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 2328 is the number of groups of order 128.
Trivia: 2328 is an unremarkable number.
Fecha histórica: May 16th is the day in 1966 that the Communist Party of China issues the "May 16 Notice", marking the beginning of the Cultural Revolution.