89810023 has 2 divisors, whose sum is σ = 89810024. Its totient is φ = 89810022.

The previous prime is 89809987. The next prime is 89810047. The reversal of 89810023 is 32001898.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89810023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84810023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44905011 + 44905012.

It is an arithmetic number, because the mean of its divisors is an integer number (44905012).

Almost surely, 2^89810023 is an apocalyptic number.

89810023 is a deficient number, since it is larger than the sum of its proper divisors (1).

89810023 is an equidigital number, since it uses as much as digits as its factorization.

89810023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 89810023 is about 9476.8150240468. The cubic root of 89810023 is about 447.8249325934.

The spelling of 89810023 in words is "eighty-nine million, eight hundred ten thousand, twenty-three".