112740823123 has 4 divisors (see below), whose sum is σ = 112741761328. Its totient is φ = 112739884920.

The previous prime is 112740823103. The next prime is 112740823189. The reversal of 112740823123 is 321328047211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 321328047211 = 62507 ⋅5140673.

It is a cyclic number.

It is not a de Polignac number, because 112740823123 - 2⁹ = 112740822611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112740823103) 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, 256836 + ... + 539857.

It is an arithmetic number, because the mean of its divisors is an integer number (28185440332).

Almost surely, 2^112740823123 is an apocalyptic number.

112740823123 is a deficient number, since it is larger than the sum of its proper divisors (938205).

112740823123 is an equidigital number, since it uses as much as digits as its factorization.

112740823123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938204.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 112740823123 in words is "one hundred twelve billion, seven hundred forty million, eight hundred twenty-three thousand, one hundred twenty-three".