112121031423 has 16 divisors (see below), whose sum is σ = 161200972800. Its totient is φ = 69086128320.

The previous prime is 112121031403. The next prime is 112121031431. The reversal of 112121031423 is 324130121211.

It is not a de Polignac number, because 112121031423 - 2⁵ = 112121031391 is a prime.

It is a super-2 number, since 2×112121031423² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112121031423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121031403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23985903 + ... + 23990576.

It is an arithmetic number, because the mean of its divisors is an integer number (10075060800).

Almost surely, 2^112121031423 is an apocalyptic number.

112121031423 is a deficient number, since it is larger than the sum of its proper divisors (49079941377).

112121031423 is a wasteful number, since it uses less digits than its factorization.

112121031423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47976542.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 112121031423 its reverse (324130121211), we get a palindrome (436251152634).

The spelling of 112121031423 in words is "one hundred twelve billion, one hundred twenty-one million, thirty-one thousand, four hundred twenty-three".