23388963 has 16 divisors (see below), whose sum is σ = 34089216. Its totient is φ = 14176800.

The previous prime is 23388961. The next prime is 23389013. The reversal of 23388963 is 36988332.

It is not a de Polignac number, because 23388963 - 2¹ = 23388961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23388961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1863 + ... + 7088.

It is an arithmetic number, because the mean of its divisors is an integer number (2130576).

Almost surely, 2^23388963 is an apocalyptic number.

23388963 is a deficient number, since it is larger than the sum of its proper divisors (10700253).

23388963 is a wasteful number, since it uses less digits than its factorization.

23388963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034.

The product of its digits is 186624, while the sum is 42.

The square root of 23388963 is about 4836.2137049556. The cubic root of 23388963 is about 285.9808739064.

The spelling of 23388963 in words is "twenty-three million, three hundred eighty-eight thousand, nine hundred sixty-three".