99997323 has 16 divisors (see below), whose sum is σ = 142329600. Its totient is φ = 62264160.

The previous prime is 99997267. The next prime is 99997357. The reversal of 99997323 is 32379999.

It is not a de Polignac number, because 99997323 - 2⁸ = 99997067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99997393) 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 in 15 ways as a sum of consecutive naturals, for example, 8308 + ... + 16401.

It is an arithmetic number, because the mean of its divisors is an integer number (8895600).

Almost surely, 2^99997323 is an apocalyptic number.

99997323 is a deficient number, since it is larger than the sum of its proper divisors (42332277).

99997323 is a wasteful number, since it uses less digits than its factorization.

99997323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24802.

The product of its digits is 826686, while the sum is 51.

The square root of 99997323 is about 9999.8661491042. The cubic root of 99997323 is about 464.1547414799.

The spelling of 99997323 in words is "ninety-nine million, nine hundred ninety-seven thousand, three hundred twenty-three".