23131330304 has 36 divisors (see below), whose sum is σ = 46374047160. Its totient is φ = 11515130880.

The previous prime is 23131330273. The next prime is 23131330309. The reversal of 23131330304 is 40303313132.

It is a self number, because there is not a number n which added to its sum of digits gives 23131330304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131330309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138662 + ... + 255909.

Almost surely, 2^23131330304 is an apocalyptic number.

It is an amenable number.

23131330304 is an abundant number, since it is smaller than the sum of its proper divisors (23242716856).

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

23131330304 is an equidigital number, since it uses as much as digits as its factorization.

23131330304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394816 (or 394802 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23131330304 its reverse (40303313132), we get a palindrome (63434643436).

The spelling of 23131330304 in words is "twenty-three billion, one hundred thirty-one million, three hundred thirty thousand, three hundred four".