112431113123 has 4 divisors (see below), whose sum is σ = 128492700720. Its totient is φ = 96369525528.

The previous prime is 112431113117. The next prime is 112431113189. The reversal of 112431113123 is 321311134211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321311134211 = 8221 ⋅39084191.

It is a cyclic number.

It is not a de Polignac number, because 112431113123 - 2⁶ = 112431113059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112431110123) 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 3 ways as a sum of consecutive naturals, for example, 8030793788 + ... + 8030793801.

It is an arithmetic number, because the mean of its divisors is an integer number (32123175180).

Almost surely, 2^112431113123 is an apocalyptic number.

112431113123 is a deficient number, since it is larger than the sum of its proper divisors (16061587597).

112431113123 is an equidigital number, since it uses as much as digits as its factorization.

112431113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16061587596.

The product of its digits is 432, while the sum is 23.

Adding to 112431113123 its reverse (321311134211), we get a palindrome (433742247334).

The spelling of 112431113123 in words is "one hundred twelve billion, four hundred thirty-one million, one hundred thirteen thousand, one hundred twenty-three".