99785923 has 4 divisors (see below), whose sum is σ = 102219768. Its totient is φ = 97352080.

The previous prime is 99785921. The next prime is 99785947. The reversal of 99785923 is 32958799.

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

It is a cyclic number.

It is not a de Polignac number, because 99785923 - 2¹ = 99785921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99785921) 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, 1216861 + ... + 1216942.

It is an arithmetic number, because the mean of its divisors is an integer number (25554942).

Almost surely, 2^99785923 is an apocalyptic number.

99785923 is a deficient number, since it is larger than the sum of its proper divisors (2433845).

99785923 is a wasteful number, since it uses less digits than its factorization.

99785923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433844.

The product of its digits is 1224720, while the sum is 52.

The square root of 99785923 is about 9989.2904152397. The cubic root of 99785923 is about 463.8274275875.

The spelling of 99785923 in words is "ninety-nine million, seven hundred eighty-five thousand, nine hundred twenty-three".