general_fact: 23378 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 23378 is an uninteresting number.
trivia: 23378 is an unremarkable number.
historical_date: January 2nd is the day in 1974 that President Richard Nixon signs a bill lowering the maximum U.S. speed limit to 55 MPH in order to conserve gasoline during an OPEC embargo.