23731172 has 6 divisors (see below), whose sum is σ = 41529558. Its totient is φ = 11865584.

The previous prime is 23731163. The next prime is 23731181. The reversal of 23731172 is 27113732.

It is an interprime number because it is at equal distance from previous prime (23731163) and next prime (23731181).

It can be written as a sum of positive squares in only one way, i.e., 23290276 + 440896 = 4826^2 + 664^2 .

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 as a sum of consecutive naturals, namely, 2966393 + ... + 2966400.

It is an arithmetic number, because the mean of its divisors is an integer number (6921593).

Almost surely, 2^23731172 is an apocalyptic number.

It is an amenable number.

23731172 is a deficient number, since it is larger than the sum of its proper divisors (17798386).

23731172 is a wasteful number, since it uses less digits than its factorization.

23731172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932797 (or 5932795 counting only the distinct ones).

The product of its digits is 1764, while the sum is 26.

The square root of 23731172 is about 4871.4650773664. The cubic root of 23731172 is about 287.3688758072.

The spelling of 23731172 in words is "twenty-three million, seven hundred thirty-one thousand, one hundred seventy-two".