23965137471 has 16 divisors (see below), whose sum is σ = 34864167168. Its totient is φ = 14521915200.

The previous prime is 23965137409. The next prime is 23965137487. The reversal of 23965137471 is 17473156932.

It is a happy number.

It is not a de Polignac number, because 23965137471 - 2²⁶ = 23898028607 is a prime.

It is a super-3 number, since 3×23965137471³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23965137471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23965137401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152830 + ... + 266996.

It is an arithmetic number, because the mean of its divisors is an integer number (2179010448).

Almost surely, 2^23965137471 is an apocalyptic number.

23965137471 is a deficient number, since it is larger than the sum of its proper divisors (10899029697).

23965137471 is a wasteful number, since it uses less digits than its factorization.

23965137471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120542.

The product of its digits is 952560, while the sum is 48.

The spelling of 23965137471 in words is "twenty-three billion, nine hundred sixty-five million, one hundred thirty-seven thousand, four hundred seventy-one".