99318923 has 8 divisors (see below), whose sum is σ = 108433200. Its totient is φ = 90218880.

The previous prime is 99318917. The next prime is 99318937. The reversal of 99318923 is 32981399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99318923 - 2¹² = 99314827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99311923) 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 7 ways as a sum of consecutive naturals, for example, 15503 + ... + 20951.

It is an arithmetic number, because the mean of its divisors is an integer number (13554150).

Almost surely, 2^99318923 is an apocalyptic number.

99318923 is a deficient number, since it is larger than the sum of its proper divisors (9114277).

99318923 is a wasteful number, since it uses less digits than its factorization.

99318923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117.

The product of its digits is 104976, while the sum is 44.

The square root of 99318923 is about 9965.8879684652. The cubic root of 99318923 is about 463.1027221635.

The spelling of 99318923 in words is "ninety-nine million, three hundred eighteen thousand, nine hundred twenty-three".