111423410142 has 64 divisors (see below), whose sum is σ = 244144502784. Its totient is φ = 33620707040.

The previous prime is 111423410107. The next prime is 111423410159. The reversal of 111423410142 is 241014324111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15499873 + ... + 15507059.

It is an arithmetic number, because the mean of its divisors is an integer number (3814757856).

Almost surely, 2^111423410142 is an apocalyptic number.

111423410142 is an abundant number, since it is smaller than the sum of its proper divisors (132721092642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111423410142 is a wasteful number, since it uses less digits than its factorization.

111423410142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 111423410142 its reverse (241014324111), we get a palindrome (352437734253).

The spelling of 111423410142 in words is "one hundred eleven billion, four hundred twenty-three million, four hundred ten thousand, one hundred forty-two".