23697908451 has 56 divisors (see below), whose sum is σ = 40832346464. Its totient is φ = 13466321280.

The previous prime is 23697908419. The next prime is 23697908501. The reversal of 23697908451 is 15480979632.

It is not a de Polignac number, because 23697908451 - 2⁵ = 23697908419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23697908551) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 910815 + ... + 936471.

It is an arithmetic number, because the mean of its divisors is an integer number (729149044).

It is a 2-persistent number, because it is pandigital, and so is 2⋅23697908451 = 47395816902, but 3⋅23697908451 = 71093725353 is not.

Almost surely, 2^23697908451 is an apocalyptic number.

23697908451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23697908451 is the 76971-st decagonal number.

23697908451 is a deficient number, since it is larger than the sum of its proper divisors (17134438013).

23697908451 is an equidigital number, since it uses as much as digits as its factorization.

23697908451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25863 (or 25848 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 23697908451 in words is "twenty-three billion, six hundred ninety-seven million, nine hundred eight thousand, four hundred fifty-one".