80823 has 8 divisors (see below), whose sum is σ = 111600. Its totient is φ = 51968.

The previous prime is 80819. The next prime is 80831. The reversal of 80823 is 32808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80823 - 2² = 80819 is a prime.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 80823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378 + ... + 551.

It is an arithmetic number, because the mean of its divisors is an integer number (13950).

2⁸⁰⁸²³ is an apocalyptic number.

80823 is a deficient number, since it is larger than the sum of its proper divisors (30777).

80823 is a wasteful number, since it uses less digits than its factorization.

80823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 80823 is about 284.2938620512. The cubic root of 80823 is about 43.2359483014.

It can be divided in two parts, 80 and 823, that added together give a triangular number (903 = T₄₂).

The spelling of 80823 in words is "eighty thousand, eight hundred twenty-three".