99323523 has 16 divisors (see below), whose sum is σ = 158465440. Its totient is φ = 61121952.

The previous prime is 99323513. The next prime is 99323551. The reversal of 99323523 is 32532399.

It is not a de Polignac number, because 99323523 - 2¹⁷ = 99192451 is a prime.

It is a super-2 number, since 2×99323523² = 19730324442263058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99323513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141136 + ... + 141837.

It is an arithmetic number, because the mean of its divisors is an integer number (9904090).

Almost surely, 2^99323523 is an apocalyptic number.

99323523 is a deficient number, since it is larger than the sum of its proper divisors (59141917).

99323523 is a wasteful number, since it uses less digits than its factorization.

99323523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282995 (or 282989 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 99323523 is about 9966.1187530553. The cubic root of 99323523 is about 463.1098716558.

The spelling of 99323523 in words is "ninety-nine million, three hundred twenty-three thousand, five hundred twenty-three".