23238911775 has 24 divisors (see below), whose sum is σ = 38463140880. Its totient is φ = 12380707840.

The previous prime is 23238911713. The next prime is 23238911783. The reversal of 23238911775 is 57711983232.

It is not a de Polignac number, because 23238911775 - 2²⁰ = 23237863199 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 97092 + ... + 236441.

It is an arithmetic number, because the mean of its divisors is an integer number (1602630870).

Almost surely, 2^23238911775 is an apocalyptic number.

23238911775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23238911775 is a deficient number, since it is larger than the sum of its proper divisors (15224229105).

23238911775 is a wasteful number, since it uses less digits than its factorization.

23238911775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334475 (or 334470 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The spelling of 23238911775 in words is "twenty-three billion, two hundred thirty-eight million, nine hundred eleven thousand, seven hundred seventy-five".