116823 has 8 divisors (see below), whose sum is σ = 178048. Its totient is φ = 66744.

The previous prime is 116819. The next prime is 116827. The reversal of 116823 is 328611.

It is an interprime number because it is at equal distance from previous prime (116819) and next prime (116827).

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

It is not a de Polignac number, because 116823 - 2² = 116819 is a prime.

It is a super-2 number, since 2×116823² = 27295226658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5563 = 116823 / (1 + 1 + 6 + 8 + 2 + 3).

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 116823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116827) 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, 2761 + ... + 2802.

It is an arithmetic number, because the mean of its divisors is an integer number (22256).

2¹¹⁶⁸²³ is an apocalyptic number.

116823 is a deficient number, since it is larger than the sum of its proper divisors (61225).

116823 is an equidigital number, since it uses as much as digits as its factorization.

116823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573.

The product of its digits is 288, while the sum is 21.

The square root of 116823 is about 341.7937974861. The cubic root of 116823 is about 48.8850561351.

It can be divided in two parts, 116 and 823, that added together give a palindrome (939).

The spelling of 116823 in words is "one hundred sixteen thousand, eight hundred twenty-three".