23972628 has 12 divisors (see below), whose sum is σ = 55936160. Its totient is φ = 7990872.

The previous prime is 23972621. The next prime is 23972687. The reversal of 23972628 is 82627932.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23972621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998848 + ... + 998871.

Almost surely, 2^23972628 is an apocalyptic number.

It is an amenable number.

23972628 is an abundant number, since it is smaller than the sum of its proper divisors (31963532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23972628 is a wasteful number, since it uses less digits than its factorization.

23972628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997726 (or 1997724 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 23972628 is about 4896.1850455227. The cubic root of 23972628 is about 288.3402133040.

The spelling of 23972628 in words is "twenty-three million, nine hundred seventy-two thousand, six hundred twenty-eight".