99134823 has 16 divisors (see below), whose sum is σ = 135628416. Its totient is φ = 64374240.

The previous prime is 99134773. The next prime is 99134863. The reversal of 99134823 is 32843199.

It is not a de Polignac number, because 99134823 - 2¹² = 99130727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99134863) 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, 58636 + ... + 60302.

It is an arithmetic number, because the mean of its divisors is an integer number (8476776).

Almost surely, 2^99134823 is an apocalyptic number.

99134823 is a deficient number, since it is larger than the sum of its proper divisors (36493593).

99134823 is a wasteful number, since it uses less digits than its factorization.

99134823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174.

The product of its digits is 46656, while the sum is 39.

The square root of 99134823 is about 9956.6471766353. The cubic root of 99134823 is about 462.8164056484.

The spelling of 99134823 in words is "ninety-nine million, one hundred thirty-four thousand, eight hundred twenty-three".