112123231 has 16 divisors (see below), whose sum is σ = 126453888. Its totient is φ = 98532000.

The previous prime is 112123223. The next prime is 112123241. The reversal of 112123231 is 132321211.

It is a cyclic number.

It is not a de Polignac number, because 112123231 - 2³ = 112123223 is a prime.

It is a super-2 number, since 2×112123231² = 25143237859758722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112123201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46600 + ... + 48946.

It is an arithmetic number, because the mean of its divisors is an integer number (7903368).

Almost surely, 2^112123231 is an apocalyptic number.

112123231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112123231 is a deficient number, since it is larger than the sum of its proper divisors (14330657).

112123231 is a wasteful number, since it uses less digits than its factorization.

112123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502.

The product of its digits is 72, while the sum is 16.

The square root of 112123231 is about 10588.8257611503. The cubic root of 112123231 is about 482.2051762749.

Adding to 112123231 its reverse (132321211), we get a palindrome (244444442).

The spelling of 112123231 in words is "one hundred twelve million, one hundred twenty-three thousand, two hundred thirty-one".