99169723 has 2 divisors, whose sum is σ = 99169724. Its totient is φ = 99169722.

The previous prime is 99169699. The next prime is 99169729. The reversal of 99169723 is 32796199.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99169723 is a prime.

It is not a weakly prime, because it can be changed into another prime (99169729) 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, 49584861 + 49584862.

It is an arithmetic number, because the mean of its divisors is an integer number (49584862).

Almost surely, 2^99169723 is an apocalyptic number.

99169723 is a deficient number, since it is larger than the sum of its proper divisors (1).

99169723 is an equidigital number, since it uses as much as digits as its factorization.

99169723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 46.

The square root of 99169723 is about 9958.3996204209. The cubic root of 99169723 is about 462.8707101366.

The spelling of 99169723 in words is "ninety-nine million, one hundred sixty-nine thousand, seven hundred twenty-three".