23499163534 has 48 divisors (see below), whose sum is σ = 44752248576. Its totient is φ = 9151220400.

The previous prime is 23499163511. The next prime is 23499163553. The reversal of 23499163534 is 43536199432.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3255189 + ... + 3262399.

It is an arithmetic number, because the mean of its divisors is an integer number (932338512).

Almost surely, 2^23499163534 is an apocalyptic number.

23499163534 is a deficient number, since it is larger than the sum of its proper divisors (21253085042).

23499163534 is a wasteful number, since it uses less digits than its factorization.

23499163534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10261 (or 10254 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 49.

The spelling of 23499163534 in words is "twenty-three billion, four hundred ninety-nine million, one hundred sixty-three thousand, five hundred thirty-four".