99859323 has 4 divisors (see below), whose sum is σ = 133145768. Its totient is φ = 66572880.

The previous prime is 99859321. The next prime is 99859327. The reversal of 99859323 is 32395899.

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

It is not a de Polignac number, because 99859323 - 2¹ = 99859321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99859321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16643218 + ... + 16643223.

It is an arithmetic number, because the mean of its divisors is an integer number (33286442).

Almost surely, 2^99859323 is an apocalyptic number.

99859323 is a deficient number, since it is larger than the sum of its proper divisors (33286445).

99859323 is a wasteful number, since it uses less digits than its factorization.

99859323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33286444.

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

The square root of 99859323 is about 9992.9636745062. The cubic root of 99859323 is about 463.9411262872.

The spelling of 99859323 in words is "ninety-nine million, eight hundred fifty-nine thousand, three hundred twenty-three".