23657965713 has 24 divisors (see below), whose sum is σ = 34502668200. Its totient is φ = 15619785984.

The previous prime is 23657965699. The next prime is 23657965757. The reversal of 23657965713 is 31756975632.

23657965713 is a `hidden beast` number, since 2 + 3 + 6 + 579 + 6 + 57 + 13 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20104971264 + 3552994449 = 141792^2 + 59607^2 .

It is not a de Polignac number, because 23657965713 - 2¹⁶ = 23657900177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23657965713.

It is not an unprimeable number, because it can be changed into a prime (23657965763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2672731 + ... + 2681567.

It is an arithmetic number, because the mean of its divisors is an integer number (1437611175).

Almost surely, 2^23657965713 is an apocalyptic number.

It is an amenable number.

23657965713 is a deficient number, since it is larger than the sum of its proper divisors (10844702487).

23657965713 is a wasteful number, since it uses less digits than its factorization.

23657965713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11681 (or 11678 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 54.

The spelling of 23657965713 in words is "twenty-three billion, six hundred fifty-seven million, nine hundred sixty-five thousand, seven hundred thirteen".