99999323 has 2 divisors, whose sum is σ = 99999324. Its totient is φ = 99999322.

The previous prime is 99999307. The next prime is 99999329. The reversal of 99999323 is 32399999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99999323 - 2⁴ = 99999307 is a prime.

It is not a weakly prime, because it can be changed into another prime (99999329) 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, 49999661 + 49999662.

It is an arithmetic number, because the mean of its divisors is an integer number (49999662).

Almost surely, 2^99999323 is an apocalyptic number.

99999323 is a deficient number, since it is larger than the sum of its proper divisors (1).

99999323 is an equidigital number, since it uses as much as digits as its factorization.

99999323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1062882, while the sum is 53.

The square root of 99999323 is about 9999.9661499427. The cubic root of 99999323 is about 464.1578359070.

The spelling of 99999323 in words is "ninety-nine million, nine hundred ninety-nine thousand, three hundred twenty-three".