23156764844 has 6 divisors (see below), whose sum is σ = 40524338484. Its totient is φ = 11578382420.

The previous prime is 23156764819. The next prime is 23156764847. The reversal of 23156764844 is 44846765132.

It is a junction number, because it is equal to n+sod(n) for n = 23156764792 and 23156764801.

It is not an unprimeable number, because it can be changed into a prime (23156764847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2894595602 + ... + 2894595609.

It is an arithmetic number, because the mean of its divisors is an integer number (6754056414).

Almost surely, 2^23156764844 is an apocalyptic number.

It is an amenable number.

23156764844 is a deficient number, since it is larger than the sum of its proper divisors (17367573640).

23156764844 is a wasteful number, since it uses less digits than its factorization.

23156764844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789191215 (or 5789191213 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 50.

The spelling of 23156764844 in words is "twenty-three billion, one hundred fifty-six million, seven hundred sixty-four thousand, eight hundred forty-four".