89900023 has 2 divisors, whose sum is σ = 89900024. Its totient is φ = 89900022.

The previous prime is 89899981. The next prime is 89900051. The reversal of 89900023 is 32000998.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89900023 - 2²⁵ = 56345591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89900323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44950011 + 44950012.

It is an arithmetic number, because the mean of its divisors is an integer number (44950012).

Almost surely, 2^89900023 is an apocalyptic number.

89900023 is a deficient number, since it is larger than the sum of its proper divisors (1).

89900023 is an equidigital number, since it uses as much as digits as its factorization.

89900023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 89900023 is about 9481.5622657872. The cubic root of 89900023 is about 447.9744733941.

The spelling of 89900023 in words is "eighty-nine million, nine hundred thousand, twenty-three".