99000023 has 2 divisors, whose sum is σ = 99000024. Its totient is φ = 99000022.

The previous prime is 99000007. The next prime is 99000029. The reversal of 99000023 is 32000099.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99000023 - 2⁴ = 99000007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99000029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49500011 + 49500012.

It is an arithmetic number, because the mean of its divisors is an integer number (49500012).

Almost surely, 2^99000023 is an apocalyptic number.

99000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

99000023 is an equidigital number, since it uses as much as digits as its factorization.

99000023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 99000023 is about 9949.8755268596. The cubic root of 99000023 is about 462.6065367430.

The spelling of 99000023 in words is "ninety-nine million, twenty-three", and thus it is an aban number and an uban number.