23131200002 has 16 divisors (see below), whose sum is σ = 35833016832. Its totient is φ = 11187214560.

The previous prime is 23131199989. The next prime is 23131200013. The reversal of 23131200002 is 20000213132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23131200002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45203 + ... + 219785.

It is an arithmetic number, because the mean of its divisors is an integer number (2239563552).

Almost surely, 2^23131200002 is an apocalyptic number.

23131200002 is a deficient number, since it is larger than the sum of its proper divisors (12701816830).

23131200002 is a wasteful number, since it uses less digits than its factorization.

23131200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176753.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23131200002 its reverse (20000213132), we get a palindrome (43131413134).

The spelling of 23131200002 in words is "twenty-three billion, one hundred thirty-one million, two hundred thousand, two".