23623728 has 40 divisors (see below), whose sum is σ = 61329408. Its totient is φ = 7835712.

The previous prime is 23623687. The next prime is 23623729. The reversal of 23623728 is 82732632.

It is not an unprimeable number, because it can be changed into a prime (23623729) 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, 9601 + ... + 11807.

Almost surely, 2^23623728 is an apocalyptic number.

It is an amenable number.

23623728 is an abundant number, since it is smaller than the sum of its proper divisors (37705680).

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

23623728 is a wasteful number, since it uses less digits than its factorization.

23623728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441 (or 2435 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 23623728 is about 4860.4246728038. The cubic root of 23623728 is about 286.9345275912.

The spelling of 23623728 in words is "twenty-three million, six hundred twenty-three thousand, seven hundred twenty-eight".