23681172 has 12 divisors (see below), whose sum is σ = 55256096. Its totient is φ = 7893720.

The previous prime is 23681171. The next prime is 23681219. The reversal of 23681172 is 27118632.

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 (23681171) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 986704 + ... + 986727.

Almost surely, 2^23681172 is an apocalyptic number.

It is an amenable number.

23681172 is an abundant number, since it is smaller than the sum of its proper divisors (31574924).

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

23681172 is a wasteful number, since it uses less digits than its factorization.

23681172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973438 (or 1973436 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 23681172 is about 4866.3304450068. The cubic root of 23681172 is about 287.1669115337.

The spelling of 23681172 in words is "twenty-three million, six hundred eighty-one thousand, one hundred seventy-two".