699323823 has 96 divisors (see below), whose sum is σ = 1222041600. Its totient is φ = 380635200.

The previous prime is 699323813. The next prime is 699323827. The reversal of 699323823 is 328323996.

It is not a de Polignac number, because 699323823 - 2²⁹ = 162452911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699323827) 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 95 ways as a sum of consecutive naturals, for example, 3906748 + ... + 3906926.

It is an arithmetic number, because the mean of its divisors is an integer number (12729600).

Almost surely, 2^699323823 is an apocalyptic number.

699323823 is a deficient number, since it is larger than the sum of its proper divisors (522717777).

699323823 is a wasteful number, since it uses less digits than its factorization.

699323823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 310 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 699323823 is about 26444.7314790678. The cubic root of 699323823 is about 887.6180142741.

The spelling of 699323823 in words is "six hundred ninety-nine million, three hundred twenty-three thousand, eight hundred twenty-three".