99600123 has 32 divisors (see below), whose sum is σ = 159413760. Its totient is φ = 54109440.

The previous prime is 99600113. The next prime is 99600157. The reversal of 99600123 is 32100699.

It is not a de Polignac number, because 99600123 - 2⁴ = 99600107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99600103) 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, 39583 + ... + 42023.

It is an arithmetic number, because the mean of its divisors is an integer number (4981680).

Almost surely, 2^99600123 is an apocalyptic number.

99600123 is a deficient number, since it is larger than the sum of its proper divisors (59813637).

99600123 is a wasteful number, since it uses less digits than its factorization.

99600123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 99600123 is about 9979.9861222348. The cubic root of 99600123 is about 463.5393686544.

The spelling of 99600123 in words is "ninety-nine million, six hundred thousand, one hundred twenty-three".