99317423 has 2 divisors, whose sum is σ = 99317424. Its totient is φ = 99317422.

The previous prime is 99317411. The next prime is 99317443. The reversal of 99317423 is 32471399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99317423 - 2²⁴ = 82540207 is a prime.

It is a super-2 number, since 2×99317423² = 19727901022721858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99317443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49658711 + 49658712.

It is an arithmetic number, because the mean of its divisors is an integer number (49658712).

Almost surely, 2^99317423 is an apocalyptic number.

99317423 is a deficient number, since it is larger than the sum of its proper divisors (1).

99317423 is an equidigital number, since it uses as much as digits as its factorization.

99317423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 99317423 is about 9965.8127114651. The cubic root of 99317423 is about 463.1003907596.

The spelling of 99317423 in words is "ninety-nine million, three hundred seventeen thousand, four hundred twenty-three".