23159172 has 24 divisors (see below), whose sum is σ = 54400192. Its totient is φ = 7668000.

The previous prime is 23159167. The next prime is 23159173. The reversal of 23159172 is 27195132.

It is not an unprimeable number, because it can be changed into a prime (23159173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4579 + ... + 8202.

Almost surely, 2^23159172 is an apocalyptic number.

It is an amenable number.

23159172 is an abundant number, since it is smaller than the sum of its proper divisors (31241020).

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

23159172 is a wasteful number, since it uses less digits than its factorization.

23159172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12939 (or 12937 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 23159172 is about 4812.3977391733. The cubic root of 23159172 is about 285.0412251845.

The spelling of 23159172 in words is "twenty-three million, one hundred fifty-nine thousand, one hundred seventy-two".