99523099 has 12 divisors (see below), whose sum is σ = 111014176. Its totient is φ = 88689888.

The previous prime is 99523097. The next prime is 99523103. The reversal of 99523099 is 99032599.

It is a happy number.

It is not a de Polignac number, because 99523099 - 2¹ = 99523097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99523091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6382 + ... + 15484.

Almost surely, 2^99523099 is an apocalyptic number.

99523099 is a deficient number, since it is larger than the sum of its proper divisors (11491077).

99523099 is a wasteful number, since it uses less digits than its factorization.

99523099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174 (or 9145 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 46.

The square root of 99523099 is about 9976.1264526869. The cubic root of 99523099 is about 463.4198478385.

The spelling of 99523099 in words is "ninety-nine million, five hundred twenty-three thousand, ninety-nine".