23919992 has 16 divisors (see below), whose sum is σ = 45804960. Its totient is φ = 11705344.

The previous prime is 23919967. The next prime is 23920007. The reversal of 23919992 is 29991932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31433 + ... + 32184.

It is an arithmetic number, because the mean of its divisors is an integer number (2862810).

Almost surely, 2^23919992 is an apocalyptic number.

It is an amenable number.

23919992 is a deficient number, since it is larger than the sum of its proper divisors (21884968).

23919992 is a wasteful number, since it uses less digits than its factorization.

23919992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63670 (or 63666 counting only the distinct ones).

The product of its digits is 78732, while the sum is 44.

The square root of 23919992 is about 4890.8068863941. The cubic root of 23919992 is about 288.1290252636.

The spelling of 23919992 in words is "twenty-three million, nine hundred nineteen thousand, nine hundred ninety-two".