302823 has 6 divisors (see below), whose sum is σ = 437424. Its totient is φ = 201876.

The previous prime is 302801. The next prime is 302831. The reversal of 302823 is 328203.

It is not a de Polignac number, because 302823 - 2⁵ = 302791 is a prime.

302823 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 302796 and 302805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16815 + ... + 16832.

It is an arithmetic number, because the mean of its divisors is an integer number (72904).

2³⁰²⁸²³ is an apocalyptic number.

302823 is a deficient number, since it is larger than the sum of its proper divisors (134601).

302823 is a wasteful number, since it uses less digits than its factorization.

302823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33653 (or 33650 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 302823 is about 550.2935580215. The cubic root of 302823 is about 67.1526185985.

The spelling of 302823 in words is "three hundred two thousand, eight hundred twenty-three".