23110728 has 32 divisors (see below), whose sum is σ = 58344000. Its totient is φ = 7627968.

The previous prime is 23110723. The next prime is 23110729. The reversal of 23110728 is 82701132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 23110698 and 23110707.

It is not an unprimeable number, because it can be changed into a prime (23110723) 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, 2203 + ... + 7146.

It is an arithmetic number, because the mean of its divisors is an integer number (1823250).

Almost surely, 2^23110728 is an apocalyptic number.

It is an amenable number.

23110728 is an abundant number, since it is smaller than the sum of its proper divisors (35233272).

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

23110728 is a wasteful number, since it uses less digits than its factorization.

23110728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461 (or 9457 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 23110728 is about 4807.3618544894. The cubic root of 23110728 is about 284.8423381593.

The spelling of 23110728 in words is "twenty-three million, one hundred ten thousand, seven hundred twenty-eight".