23865000749 has 32 divisors (see below), whose sum is σ = 26464838400. Its totient is φ = 21438743040.

The previous prime is 23865000737. The next prime is 23865000751. The reversal of 23865000749 is 94700056832.

It is a cyclic number.

It is not a de Polignac number, because 23865000749 - 2²⁴ = 23848223533 is a prime.

It is a super-2 number, since 2×23865000749² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23865000779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4497632 + ... + 4502934.

It is an arithmetic number, because the mean of its divisors is an integer number (827026200).

Almost surely, 2^23865000749 is an apocalyptic number.

It is an amenable number.

23865000749 is a deficient number, since it is larger than the sum of its proper divisors (2599837651).

23865000749 is a wasteful number, since it uses less digits than its factorization.

23865000749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 23865000749 in words is "twenty-three billion, eight hundred sixty-five million, seven hundred forty-nine", and thus it is an aban number.