112402443123 has 40 divisors (see below), whose sum is σ = 182123227440. Its totient is φ = 68806817280.

The previous prime is 112402443067. The next prime is 112402443143. The reversal of 112402443123 is 321344204211.

It is not a de Polignac number, because 112402443123 - 2⁶ = 112402443059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (112402443143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 939013 + ... + 1051926.

It is an arithmetic number, because the mean of its divisors is an integer number (4553080686).

Almost surely, 2^112402443123 is an apocalyptic number.

112402443123 is a deficient number, since it is larger than the sum of its proper divisors (69720784317).

112402443123 is a wasteful number, since it uses less digits than its factorization.

112402443123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991009 (or 1991000 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 112402443123 its reverse (321344204211), we get a palindrome (433746647334).

The spelling of 112402443123 in words is "one hundred twelve billion, four hundred two million, four hundred forty-three thousand, one hundred twenty-three".