99385923 has 32 divisors (see below), whose sum is σ = 165362176. Its totient is φ = 51694848.

The previous prime is 99385889. The next prime is 99385933. The reversal of 99385923 is 32958399.

It is not a de Polignac number, because 99385923 - 2⁸ = 99385667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99385933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17436 + ... + 22422.

It is an arithmetic number, because the mean of its divisors is an integer number (5167568).

Almost surely, 2^99385923 is an apocalyptic number.

99385923 is a deficient number, since it is larger than the sum of its proper divisors (65976253).

99385923 is a wasteful number, since it uses less digits than its factorization.

99385923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083.

The product of its digits is 524880, while the sum is 48.

The square root of 99385923 is about 9969.2488683953. The cubic root of 99385923 is about 463.2068342735.

The spelling of 99385923 in words is "ninety-nine million, three hundred eighty-five thousand, nine hundred twenty-three".