23725624831 has 4 divisors (see below), whose sum is σ = 24277383592. Its totient is φ = 23173866072.

The previous prime is 23725624829. The next prime is 23725624837. The reversal of 23725624831 is 13842652732.

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 23725624831 - 2¹ = 23725624829 is a prime.

It is a super-2 number, since 2×23725624831² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 551758717 = 23725624831 / (2 + 3 + 7 + 2 + 5 + 6 + 2 + 4 + 8 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23725624837) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 275879316 + ... + 275879401.

It is an arithmetic number, because the mean of its divisors is an integer number (6069345898).

Almost surely, 2^23725624831 is an apocalyptic number.

23725624831 is a deficient number, since it is larger than the sum of its proper divisors (551758761).

23725624831 is an equidigital number, since it uses as much as digits as its factorization.

23725624831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551758760.

The product of its digits is 483840, while the sum is 43.

The spelling of 23725624831 in words is "twenty-three billion, seven hundred twenty-five million, six hundred twenty-four thousand, eight hundred thirty-one".