112823 has 4 divisors (see below), whose sum is σ = 113520. Its totient is φ = 112128.

The previous prime is 112807. The next prime is 112831. The reversal of 112823 is 328211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 328211 = 13 ⋅25247.

It is a cyclic number.

It is not a de Polignac number, because 112823 - 2⁴ = 112807 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 476.

It is an arithmetic number, because the mean of its divisors is an integer number (28380).

2¹¹²⁸²³ is an apocalyptic number.

112823 is a deficient number, since it is larger than the sum of its proper divisors (697).

112823 is an equidigital number, since it uses as much as digits as its factorization.

112823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its digits is 96, while the sum is 17.

The square root of 112823 is about 335.8913514814. The cubic root of 112823 is about 48.3206255401.

The spelling of 112823 in words is "one hundred twelve thousand, eight hundred twenty-three".