23368728 has 32 divisors (see below), whose sum is σ = 58964400. Its totient is φ = 7717248.

The previous prime is 23368721. The next prime is 23368747. The reversal of 23368728 is 82786332.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23368721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851 + ... + 7082.

Almost surely, 2^23368728 is an apocalyptic number.

It is an amenable number.

23368728 is an abundant number, since it is smaller than the sum of its proper divisors (35595672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23368728 is a wasteful number, since it uses less digits than its factorization.

23368728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9051 (or 9047 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 23368728 is about 4834.1212231387. The cubic root of 23368728 is about 285.8983778360.

The spelling of 23368728 in words is "twenty-three million, three hundred sixty-eight thousand, seven hundred twenty-eight".