23251052164 has 24 divisors (see below), whose sum is σ = 41312194560. Its totient is φ = 11448338304.

The previous prime is 23251052131. The next prime is 23251052179. The reversal of 23251052164 is 46125015232.

It is a super-2 number, since 2×23251052164² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24972 + ... + 217084.

It is an arithmetic number, because the mean of its divisors is an integer number (1721341440).

Almost surely, 2^23251052164 is an apocalyptic number.

It is an amenable number.

23251052164 is a deficient number, since it is larger than the sum of its proper divisors (18061142396).

23251052164 is a wasteful number, since it uses less digits than its factorization.

23251052164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192579 (or 192577 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 23251052164 its reverse (46125015232), we get a palindrome (69376067396).

The spelling of 23251052164 in words is "twenty-three billion, two hundred fifty-one million, fifty-two thousand, one hundred sixty-four".