23131200004 has 36 divisors (see below), whose sum is σ = 46163068560. Its totient is φ = 10057033360.

The previous prime is 23131199989. The next prime is 23131200013. The reversal of 23131200004 is 40000213132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473614 + ... + 520165.

It is an arithmetic number, because the mean of its divisors is an integer number (1282307460).

Almost surely, 2^23131200004 is an apocalyptic number.

It is an amenable number.

23131200004 is a deficient number, since it is larger than the sum of its proper divisors (23031868556).

23131200004 is a wasteful number, since it uses less digits than its factorization.

23131200004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993840 (or 993815 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23131200004 its reverse (40000213132), we get a palindrome (63131413136).

The spelling of 23131200004 in words is "twenty-three billion, one hundred thirty-one million, two hundred thousand, four".