23712972 has 12 divisors (see below), whose sum is σ = 55330296. Its totient is φ = 7904320.

The previous prime is 23712961. The next prime is 23712989. The reversal of 23712972 is 27921732.

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

It is a super-3 number, since 3×23712972³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

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, 988029 + ... + 988052.

It is an arithmetic number, because the mean of its divisors is an integer number (4610858).

Almost surely, 2^23712972 is an apocalyptic number.

It is an amenable number.

23712972 is an abundant number, since it is smaller than the sum of its proper divisors (31617324).

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

23712972 is a wasteful number, since it uses less digits than its factorization.

23712972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976088 (or 1976086 counting only the distinct ones).

The product of its digits is 10584, while the sum is 33.

The square root of 23712972 is about 4869.5966978796. The cubic root of 23712972 is about 287.2953936780.

The spelling of 23712972 in words is "twenty-three million, seven hundred twelve thousand, nine hundred seventy-two".