23131013204 has 24 divisors (see below), whose sum is σ = 43614768288. Its totient is φ = 10670536800.

The previous prime is 23131013179. The next prime is 23131013209. The reversal of 23131013204 is 40231013132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131013209) 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, 4322 + ... + 215129.

It is an arithmetic number, because the mean of its divisors is an integer number (1817282012).

Almost surely, 2^23131013204 is an apocalyptic number.

It is an amenable number.

23131013204 is a deficient number, since it is larger than the sum of its proper divisors (20483755084).

23131013204 is a wasteful number, since it uses less digits than its factorization.

23131013204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221495 (or 221493 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23131013204 its reverse (40231013132), we get a palindrome (63362026336).

The spelling of 23131013204 in words is "twenty-three billion, one hundred thirty-one million, thirteen thousand, two hundred four".