99923107 has 2 divisors, whose sum is σ = 99923108. Its totient is φ = 99923106.

The previous prime is 99923101. The next prime is 99923141. The reversal of 99923107 is 70132999.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99923107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99923107.

It is not a weakly prime, because it can be changed into another prime (99923101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49961553 + 49961554.

It is an arithmetic number, because the mean of its divisors is an integer number (49961554).

Almost surely, 2^99923107 is an apocalyptic number.

99923107 is a deficient number, since it is larger than the sum of its proper divisors (1).

99923107 is an equidigital number, since it uses as much as digits as its factorization.

99923107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 99923107 is about 9996.1546106490. The cubic root of 99923107 is about 464.0398842920.

The spelling of 99923107 in words is "ninety-nine million, nine hundred twenty-three thousand, one hundred seven".