99791323 has 2 divisors, whose sum is σ = 99791324. Its totient is φ = 99791322.

The previous prime is 99791311. The next prime is 99791327. The reversal of 99791323 is 32319799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99791323 - 2⁹ = 99790811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99791323.

It is not a weakly prime, because it can be changed into another prime (99791327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49895661 + 49895662.

It is an arithmetic number, because the mean of its divisors is an integer number (49895662).

Almost surely, 2^99791323 is an apocalyptic number.

99791323 is a deficient number, since it is larger than the sum of its proper divisors (1).

99791323 is an equidigital number, since it uses as much as digits as its factorization.

99791323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 43.

The square root of 99791323 is about 9989.5607010519. The cubic root of 99791323 is about 463.8357942417.

The spelling of 99791323 in words is "ninety-nine million, seven hundred ninety-one thousand, three hundred twenty-three".