99523319 has 4 divisors (see below), whose sum is σ = 113740944. Its totient is φ = 85305696.

The previous prime is 99523313. The next prime is 99523337. The reversal of 99523319 is 91332599.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-99523319 is a prime.

It is a super-2 number, since 2×99523319² = 19809782049551522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99523313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7108802 + ... + 7108815.

It is an arithmetic number, because the mean of its divisors is an integer number (28435236).

Almost surely, 2^99523319 is an apocalyptic number.

99523319 is a deficient number, since it is larger than the sum of its proper divisors (14217625).

99523319 is a wasteful number, since it uses less digits than its factorization.

99523319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14217624.

The product of its digits is 65610, while the sum is 41.

The square root of 99523319 is about 9976.1374790046. The cubic root of 99523319 is about 463.4201893080.

The spelling of 99523319 in words is "ninety-nine million, five hundred twenty-three thousand, three hundred nineteen".