23712117353 has 4 divisors (see below), whose sum is σ = 23734722900. Its totient is φ = 23689511808.

The previous prime is 23712117343. The next prime is 23712117371. The reversal of 23712117353 is 35371121732.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11318193769 + 12393923584 = 106387^2 + 111328^2 .

It is a cyclic number.

It is not a de Polignac number, because 23712117353 - 2²⁸ = 23443681897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23712117343) 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, 11301200 + ... + 11303297.

It is an arithmetic number, because the mean of its divisors is an integer number (5933680725).

Almost surely, 2^23712117353 is an apocalyptic number.

It is an amenable number.

23712117353 is a deficient number, since it is larger than the sum of its proper divisors (22605547).

23712117353 is a wasteful number, since it uses less digits than its factorization.

23712117353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22605546.

The product of its digits is 26460, while the sum is 35.

The spelling of 23712117353 in words is "twenty-three billion, seven hundred twelve million, one hundred seventeen thousand, three hundred fifty-three".