23623889 has 2 divisors, whose sum is σ = 23623890. Its totient is φ = 23623888.

The previous prime is 23623867. The next prime is 23623903. The reversal of 23623889 is 98832632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 966289 = 4760^2 + 983^2 .

It is a cyclic number.

It is not a de Polignac number, because 23623889 - 2²⁴ = 6846673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23683889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11811944 + 11811945.

It is an arithmetic number, because the mean of its divisors is an integer number (11811945).

Almost surely, 2^23623889 is an apocalyptic number.

It is an amenable number.

23623889 is a deficient number, since it is larger than the sum of its proper divisors (1).

23623889 is an equidigital number, since it uses as much as digits as its factorization.

23623889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 23623889 is about 4860.4412351144. The cubic root of 23623889 is about 286.9351794267.

The spelling of 23623889 in words is "twenty-three million, six hundred twenty-three thousand, eight hundred eighty-nine".