112031443123 has 4 divisors (see below), whose sum is σ = 112032769680. Its totient is φ = 112030116568.

The previous prime is 112031443099. The next prime is 112031443159. The reversal of 112031443123 is 321344130211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321344130211 = 13 ⋅24718779247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112031443123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112031443723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527308 + ... + 708601.

It is an arithmetic number, because the mean of its divisors is an integer number (28008192420).

Almost surely, 2^112031443123 is an apocalyptic number.

112031443123 is a deficient number, since it is larger than the sum of its proper divisors (1326557).

112031443123 is an equidigital number, since it uses as much as digits as its factorization.

112031443123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326556.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 112031443123 its reverse (321344130211), we get a palindrome (433375573334).

The spelling of 112031443123 in words is "one hundred twelve billion, thirty-one million, four hundred forty-three thousand, one hundred twenty-three".