23765555023 has 24 divisors (see below), whose sum is σ = 28920838752. Its totient is φ = 19435356864.

The previous prime is 23765554999. The next prime is 23765555039. The reversal of 23765555023 is 32055556732.

It is not a de Polignac number, because 23765555023 - 2³³ = 15175620431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23765555423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420861 + ... + 473977.

It is an arithmetic number, because the mean of its divisors is an integer number (1205034948).

Almost surely, 2^23765555023 is an apocalyptic number.

23765555023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23765555023 is a deficient number, since it is larger than the sum of its proper divisors (5155283729).

23765555023 is a wasteful number, since it uses less digits than its factorization.

23765555023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53551 (or 53544 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 43.

The spelling of 23765555023 in words is "twenty-three billion, seven hundred sixty-five million, five hundred fifty-five thousand, twenty-three".