23131310008 has 8 divisors (see below), whose sum is σ = 43371206280. Its totient is φ = 11565655000.

The previous prime is 23131309979. The next prime is 23131310009. The reversal of 23131310008 is 80001313132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131310009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445706868 + ... + 1445706883.

It is an arithmetic number, because the mean of its divisors is an integer number (5421400785).

Almost surely, 2^23131310008 is an apocalyptic number.

It is an amenable number.

23131310008 is a deficient number, since it is larger than the sum of its proper divisors (20239896272).

23131310008 is a wasteful number, since it uses less digits than its factorization.

23131310008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891413757 (or 2891413753 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 23131310008 in words is "twenty-three billion, one hundred thirty-one million, three hundred ten thousand, eight".