823323 has 4 divisors (see below), whose sum is σ = 1097768. Its totient is φ = 548880.

The previous prime is 823309. The next prime is 823337. The reversal of 823323 is 323328.

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

It is an interprime number because it is at equal distance from previous prime (823309) and next prime (823337).

It is not a de Polignac number, because 823323 - 2¹⁰ = 822299 is a prime.

It is a D-number.

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 823323.

It is not an unprimeable number, because it can be changed into a prime (823373) 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, 137218 + ... + 137223.

It is an arithmetic number, because the mean of its divisors is an integer number (274442).

2⁸²³³²³ is an apocalyptic number.

823323 is a deficient number, since it is larger than the sum of its proper divisors (274445).

823323 is a wasteful number, since it uses less digits than its factorization.

823323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274444.

The product of its digits is 864, while the sum is 21.

The square root of 823323 is about 907.3714785026. The cubic root of 823323 is about 93.7252805938.

It can be divided in two parts, 8233 and 23, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 823323 in words is "eight hundred twenty-three thousand, three hundred twenty-three".