813323 has 4 divisors (see below), whose sum is σ = 929520. Its totient is φ = 697128.

The previous prime is 813311. The next prime is 813343. The reversal of 813323 is 323318.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323318 = 2 ⋅161659.

It is a cyclic number.

It is not a de Polignac number, because 813323 - 2¹⁰ = 812299 is a prime.

It is a super-2 number, since 2×813323² = 1322988604658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 813295 and 813304.

It is not an unprimeable number, because it can be changed into a prime (813343) 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, 58088 + ... + 58101.

It is an arithmetic number, because the mean of its divisors is an integer number (232380).

2⁸¹³³²³ is an apocalyptic number.

813323 is a deficient number, since it is larger than the sum of its proper divisors (116197).

813323 is a wasteful number, since it uses less digits than its factorization.

813323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116196.

The product of its digits is 432, while the sum is 20.

The square root of 813323 is about 901.8442215815. The cubic root of 813323 is about 93.3442745110.

It can be divided in two parts, 8 and 13323, that added together give a palindrome (13331).

The spelling of 813323 in words is "eight hundred thirteen thousand, three hundred twenty-three".