99007823 has 4 divisors (see below), whose sum is σ = 99969168. Its totient is φ = 98046480.

The previous prime is 99007817. The next prime is 99007829. The reversal of 99007823 is 32870099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32870099 = 97 ⋅338867.

It is an interprime number because it is at equal distance from previous prime (99007817) and next prime (99007829).

It is a cyclic number.

It is not a de Polignac number, because 99007823 - 2⁶ = 99007759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99007829) 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, 480518 + ... + 480723.

It is an arithmetic number, because the mean of its divisors is an integer number (24992292).

Almost surely, 2^99007823 is an apocalyptic number.

99007823 is a deficient number, since it is larger than the sum of its proper divisors (961345).

99007823 is a wasteful number, since it uses less digits than its factorization.

99007823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961344.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 99007823 is about 9950.2674838418. The cubic root of 99007823 is about 462.6186856837.

The spelling of 99007823 in words is "ninety-nine million, seven thousand, eight hundred twenty-three".