823303 has 4 divisors (see below), whose sum is σ = 886648. Its totient is φ = 759960.

The previous prime is 823283. The next prime is 823309. The reversal of 823303 is 303328.

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

It is a cyclic number.

It is not a de Polignac number, because 823303 - 2⁵ = 823271 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 (823309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31653 + ... + 31678.

It is an arithmetic number, because the mean of its divisors is an integer number (221662).

2⁸²³³⁰³ is an apocalyptic number.

823303 is a deficient number, since it is larger than the sum of its proper divisors (63345).

823303 is a wasteful number, since it uses less digits than its factorization.

823303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63344.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 823303 is about 907.3604575911. The cubic root of 823303 is about 93.7245216690.

The spelling of 823303 in words is "eight hundred twenty-three thousand, three hundred three".