112823813 has 4 divisors (see below), whose sum is σ = 112845120. Its totient is φ = 112802508.

The previous prime is 112823801. The next prime is 112823819. The reversal of 112823813 is 318328211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 318328211 = 23 ⋅13840357.

It is a cyclic number.

It is not a de Polignac number, because 112823813 - 2⁶ = 112823749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112823819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4106 + ... + 15572.

It is an arithmetic number, because the mean of its divisors is an integer number (28211280).

Almost surely, 2^112823813 is an apocalyptic number.

It is an amenable number.

112823813 is a deficient number, since it is larger than the sum of its proper divisors (21307).

112823813 is an equidigital number, since it uses as much as digits as its factorization.

112823813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21306.

The product of its digits is 2304, while the sum is 29.

The square root of 112823813 is about 10621.8554405527. The cubic root of 112823813 is about 483.2074160562.

The spelling of 112823813 in words is "one hundred twelve million, eight hundred twenty-three thousand, eight hundred thirteen".