23171864798 has 4 divisors (see below), whose sum is σ = 34757797200. Its totient is φ = 11585932398.

The previous prime is 23171864797. The next prime is 23171864813. The reversal of 23171864798 is 89746817132.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23171864797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5792966198 + ... + 5792966201.

It is an arithmetic number, because the mean of its divisors is an integer number (8689449300).

Almost surely, 2^23171864798 is an apocalyptic number.

23171864798 is a deficient number, since it is larger than the sum of its proper divisors (11585932402).

23171864798 is a wasteful number, since it uses less digits than its factorization.

23171864798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11585932401.

The product of its digits is 4064256, while the sum is 56.

The spelling of 23171864798 in words is "twenty-three billion, one hundred seventy-one million, eight hundred sixty-four thousand, seven hundred ninety-eight".