813797323 has 8 divisors (see below), whose sum is σ = 825174000. Its totient is φ = 802499808.

The previous prime is 813797297. The next prime is 813797389. The reversal of 813797323 is 323797318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 813797323 - 2⁵ = 813797291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 813797323.

It is not an unprimeable number, because it can be changed into a prime (813797393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065 + ... + 40357.

It is an arithmetic number, because the mean of its divisors is an integer number (103146750).

Almost surely, 2^813797323 is an apocalyptic number.

813797323 is a deficient number, since it is larger than the sum of its proper divisors (11376677).

813797323 is a wasteful number, since it uses less digits than its factorization.

813797323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39581.

The product of its digits is 190512, while the sum is 43.

The square root of 813797323 is about 28527.1331016631. The cubic root of 813797323 is about 933.6241684482.

The spelling of 813797323 in words is "eight hundred thirteen million, seven hundred ninety-seven thousand, three hundred twenty-three".