23131124 has 12 divisors (see below), whose sum is σ = 40738404. Its totient is φ = 11491584.

The previous prime is 23131111. The next prime is 23131181. The reversal of 23131124 is 42113132.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 20539024 = 1610^2 + 4532^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17789 + ... + 19044.

It is an arithmetic number, because the mean of its divisors is an integer number (3394867).

Almost surely, 2^23131124 is an apocalyptic number.

It is an amenable number.

23131124 is a deficient number, since it is larger than the sum of its proper divisors (17607280).

23131124 is a wasteful number, since it uses less digits than its factorization.

23131124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36994 (or 36992 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 23131124 is about 4809.4827164675. The cubic root of 23131124 is about 284.9261078570.

Adding to 23131124 its reverse (42113132), we get a palindrome (65244256).

The spelling of 23131124 in words is "twenty-three million, one hundred thirty-one thousand, one hundred twenty-four".