111423112042 has 32 divisors (see below), whose sum is σ = 191949912000. Its totient is φ = 47975011200.

The previous prime is 111423112027. The next prime is 111423112043. The reversal of 111423112042 is 240211324111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (111423112043) 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, 4815942 + ... + 4839022.

It is an arithmetic number, because the mean of its divisors is an integer number (5998434750).

Almost surely, 2^111423112042 is an apocalyptic number.

111423112042 is a deficient number, since it is larger than the sum of its proper divisors (80526799958).

111423112042 is a wasteful number, since it uses less digits than its factorization.

111423112042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34662.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111423112042 its reverse (240211324111), we get a palindrome (351634436153).

The spelling of 111423112042 in words is "one hundred eleven billion, four hundred twenty-three million, one hundred twelve thousand, forty-two".