23751722879 has 4 divisors (see below), whose sum is σ = 24517907520. Its totient is φ = 22985538240.

The previous prime is 23751722861. The next prime is 23751722923. The reversal of 23751722879 is 97822715732.

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

It is a cyclic number.

It is not a de Polignac number, because 23751722879 - 2⁸ = 23751722623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23751722879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23751722849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383092274 + ... + 383092335.

It is an arithmetic number, because the mean of its divisors is an integer number (6129476880).

Almost surely, 2^23751722879 is an apocalyptic number.

23751722879 is a deficient number, since it is larger than the sum of its proper divisors (766184641).

23751722879 is an equidigital number, since it uses as much as digits as its factorization.

23751722879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766184640.

The product of its digits is 2963520, while the sum is 53.

The spelling of 23751722879 in words is "twenty-three billion, seven hundred fifty-one million, seven hundred twenty-two thousand, eight hundred seventy-nine".