111423334420 has 24 divisors (see below), whose sum is σ = 234008100648. Its totient is φ = 44565696000.

The previous prime is 111423334411. The next prime is 111423334439. The reversal of 111423334420 is 24433324111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33757447824 + 77665886596 = 183732^2 + 278686^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30960 + ... + 473080.

It is an arithmetic number, because the mean of its divisors is an integer number (9750337527).

Almost surely, 2^111423334420 is an apocalyptic number.

111423334420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111423334420 is an abundant number, since it is smaller than the sum of its proper divisors (122584766228).

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

111423334420 is a wasteful number, since it uses less digits than its factorization.

111423334420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454731 (or 454729 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 111423334420 its reverse (24433324111), we get a palindrome (135856658531).

The spelling of 111423334420 in words is "one hundred eleven billion, four hundred twenty-three million, three hundred thirty-four thousand, four hundred twenty".