23681972 has 12 divisors (see below), whose sum is σ = 41499360. Its totient is φ = 11825016.

The previous prime is 23681971. The next prime is 23681981. The reversal of 23681972 is 27918632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23681971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272 + ... + 6887.

It is an arithmetic number, because the mean of its divisors is an integer number (3458280).

Almost surely, 2^23681972 is an apocalyptic number.

It is an amenable number.

23681972 is a deficient number, since it is larger than the sum of its proper divisors (17817388).

23681972 is a wasteful number, since it uses less digits than its factorization.

23681972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7990 (or 7988 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 23681972 is about 4866.4126417722. The cubic root of 23681972 is about 287.1701451988.

The spelling of 23681972 in words is "twenty-three million, six hundred eighty-one thousand, nine hundred seventy-two".