23757317997 has 16 divisors (see below), whose sum is σ = 36971876352. Its totient is φ = 13286766960.

The previous prime is 23757317989. The next prime is 23757318037. The reversal of 23757317997 is 79971375732.

It is not a de Polignac number, because 23757317997 - 2³ = 23757317989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23757317997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23757317917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12034129 + ... + 12036102.

It is an arithmetic number, because the mean of its divisors is an integer number (2310742272).

Almost surely, 2^23757317997 is an apocalyptic number.

It is an amenable number.

23757317997 is a deficient number, since it is larger than the sum of its proper divisors (13214558355).

23757317997 is a wasteful number, since it uses less digits than its factorization.

23757317997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24070288.

The product of its digits is 17503290, while the sum is 60.

The spelling of 23757317997 in words is "twenty-three billion, seven hundred fifty-seven million, three hundred seventeen thousand, nine hundred ninety-seven".