23131324 has 12 divisors (see below), whose sum is σ = 40517064. Its totient is φ = 11555024.

The previous prime is 23131289. The next prime is 23131333. The reversal of 23131324 is 42313132.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 4194 + ... + 7990.

It is an arithmetic number, because the mean of its divisors is an integer number (3376422).

Almost surely, 2^23131324 is an apocalyptic number.

It is an amenable number.

23131324 is a deficient number, since it is larger than the sum of its proper divisors (17385740).

23131324 is a wasteful number, since it uses less digits than its factorization.

23131324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324 (or 5322 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 23131324 is about 4809.5035086795. The cubic root of 23131324 is about 284.9269290458.

Adding to 23131324 its reverse (42313132), we get a palindrome (65444456).

The spelling of 23131324 in words is "twenty-three million, one hundred thirty-one thousand, three hundred twenty-four".