323823 has 4 divisors (see below), whose sum is σ = 431768. Its totient is φ = 215880.

The previous prime is 323819. The next prime is 323837. The reversal of 323823 is 328323.

323823 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328323 = 3 ⋅109441.

It is not a de Polignac number, because 323823 - 2² = 323819 is a prime.

It is a super-2 number, since 2×323823² = 209722670658, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

323823 is strictly pandigital in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 323823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323803) 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, 53968 + ... + 53973.

It is an arithmetic number, because the mean of its divisors is an integer number (107942).

2³²³⁸²³ is an apocalyptic number.

323823 is a deficient number, since it is larger than the sum of its proper divisors (107945).

323823 is a wasteful number, since it uses less digits than its factorization.

323823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107944.

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

The square root of 323823 is about 569.0544789385. The cubic root of 323823 is about 68.6703452120.

It can be divided in two parts, 32382 and 3, that added together give a triangular number (32385 = T₂₅₄).

The spelling of 323823 in words is "three hundred twenty-three thousand, eight hundred twenty-three".