23431740475653 has 10 divisors (see below), whose sum is σ = 35002970340294. Its totient is φ = 15621160317048.

The previous prime is 23431740475613. The next prime is 23431740475681. The reversal of 23431740475653 is 35657404713432.

23431740475653 is a `hidden beast` number, since 2 + 3 + 4 + 3 + 1 + 74 + 0 + 4 + 7 + 565 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16634994274404 + 6796746201249 = 4078602^2 + 2607057^2 .

It is not a de Polignac number, because 23431740475653 - 2⁶ = 23431740475589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23431740475653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431740475613) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 144640373226 + ... + 144640373387.

Almost surely, 2^{23431740475653} is an apocalyptic number.

It is an amenable number.

23431740475653 is a deficient number, since it is larger than the sum of its proper divisors (11571229864641).

23431740475653 is an equidigital number, since it uses as much as digits as its factorization.

23431740475653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289280746625 (or 289280746616 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 54.

The spelling of 23431740475653 in words is "twenty-three trillion, four hundred thirty-one billion, seven hundred forty million, four hundred seventy-five thousand, six hundred fifty-three".