23699045525 has 6 divisors (see below), whose sum is σ = 29386816482. Its totient is φ = 18959236400.

The previous prime is 23699045497. The next prime is 23699045533. The reversal of 23699045525 is 52554099632.

It can be written as a sum of positive squares in 3 ways, for example, as 54140164 + 23644905361 = 7358^2 + 153769^2 .

It is not a de Polignac number, because 23699045525 - 2²⁸ = 23430610069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 473980886 + ... + 473980935.

It is an arithmetic number, because the mean of its divisors is an integer number (4897802747).

Almost surely, 2^23699045525 is an apocalyptic number.

23699045525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23699045525 is a deficient number, since it is larger than the sum of its proper divisors (5687770957).

23699045525 is an equidigital number, since it uses as much as digits as its factorization.

23699045525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947961831 (or 947961826 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 50.

The spelling of 23699045525 in words is "twenty-three billion, six hundred ninety-nine million, forty-five thousand, five hundred twenty-five".