112389231 has 4 divisors (see below), whose sum is σ = 149852312. Its totient is φ = 74926152.

The previous prime is 112389209. The next prime is 112389253. The reversal of 112389231 is 132983211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (112389209) and next prime (112389253).

It is not a de Polignac number, because 112389231 - 2⁷ = 112389103 is a prime.

It is a super-2 number, since 2×112389231² = 25262678489542722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112389131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18731536 + ... + 18731541.

It is an arithmetic number, because the mean of its divisors is an integer number (37463078).

Almost surely, 2^112389231 is an apocalyptic number.

112389231 is a deficient number, since it is larger than the sum of its proper divisors (37463081).

112389231 is an equidigital number, since it uses as much as digits as its factorization.

112389231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37463080.

The product of its digits is 2592, while the sum is 30.

The square root of 112389231 is about 10601.3787310897. The cubic root of 112389231 is about 482.5862013204.

The spelling of 112389231 in words is "one hundred twelve million, three hundred eighty-nine thousand, two hundred thirty-one".