23131130304 has 56 divisors (see below), whose sum is σ = 62238453120. Its totient is φ = 7579688704.

The previous prime is 23131130303. The next prime is 23131130357. The reversal of 23131130304 is 40303113132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131130303) 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, 1009644 + ... + 1032299.

Almost surely, 2^23131130304 is an apocalyptic number.

23131130304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23131130304 is an abundant number, since it is smaller than the sum of its proper divisors (39107322816).

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

23131130304 is a wasteful number, since it uses less digits than its factorization.

23131130304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042017 (or 2042007 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23131130304 its reverse (40303113132), we get a palindrome (63434243436).

The spelling of 23131130304 in words is "twenty-three billion, one hundred thirty-one million, one hundred thirty thousand, three hundred four".