99939023 has 2 divisors, whose sum is σ = 99939024. Its totient is φ = 99939022.

The previous prime is 99939001. The next prime is 99939041. The reversal of 99939023 is 32093999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99939023 - 2¹⁴ = 99922639 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99939053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49969511 + 49969512.

It is an arithmetic number, because the mean of its divisors is an integer number (49969512).

Almost surely, 2^99939023 is an apocalyptic number.

99939023 is a deficient number, since it is larger than the sum of its proper divisors (1).

99939023 is an equidigital number, since it uses as much as digits as its factorization.

99939023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118098, while the sum is 44.

The square root of 99939023 is about 9996.9506850839. The cubic root of 99939023 is about 464.0645207914.

The spelling of 99939023 in words is "ninety-nine million, nine hundred thirty-nine thousand, twenty-three".