23922887 has 2 divisors, whose sum is σ = 23922888. Its totient is φ = 23922886.

The previous prime is 23922853. The next prime is 23922911. The reversal of 23922887 is 78822932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23922887 - 2⁸ = 23922631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23922287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11961443 + 11961444.

It is an arithmetic number, because the mean of its divisors is an integer number (11961444).

Almost surely, 2^23922887 is an apocalyptic number.

23922887 is a deficient number, since it is larger than the sum of its proper divisors (1).

23922887 is an equidigital number, since it uses as much as digits as its factorization.

23922887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 23922887 is about 4891.1028408734. The cubic root of 23922887 is about 288.1406487329.

The spelling of 23922887 in words is "twenty-three million, nine hundred twenty-two thousand, eight hundred eighty-seven".