23423149864 has 8 divisors (see below), whose sum is σ = 43918406010. Its totient is φ = 11711574928.

The previous prime is 23423149823. The next prime is 23423149909. The reversal of 23423149864 is 46894132432.

It can be written as a sum of positive squares in only one way, i.e., 22487401764 + 935748100 = 149958^2 + 30590^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1463946859 + ... + 1463946874.

Almost surely, 2^23423149864 is an apocalyptic number.

It is an amenable number.

23423149864 is a deficient number, since it is larger than the sum of its proper divisors (20495256146).

23423149864 is a wasteful number, since it uses less digits than its factorization.

23423149864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927893739 (or 2927893735 counting only the distinct ones).

The product of its digits is 995328, while the sum is 46.

The spelling of 23423149864 in words is "twenty-three billion, four hundred twenty-three million, one hundred forty-nine thousand, eight hundred sixty-four".