23231872 has 16 divisors (see below), whose sum is σ = 46282500. Its totient is φ = 11615872.

The previous prime is 23231869. The next prime is 23231881. The reversal of 23231872 is 27813232.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 23231872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90622 + ... + 90877.

Almost surely, 2^23231872 is an apocalyptic number.

It is an amenable number.

23231872 is a deficient number, since it is larger than the sum of its proper divisors (23050628).

23231872 is an equidigital number, since it uses as much as digits as its factorization.

23231872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181513 (or 181501 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 23231872 is about 4819.9452279046. The cubic root of 23231872 is about 285.3391755483.

The spelling of 23231872 in words is "twenty-three million, two hundred thirty-one thousand, eight hundred seventy-two".