111423013320 has 128 divisors (see below), whose sum is σ = 352003449600. Its totient is φ = 28160123904.

The previous prime is 111423013307. The next prime is 111423013349. The reversal of 111423013320 is 23310324111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115654 + ... + 486026.

It is an arithmetic number, because the mean of its divisors is an integer number (2750026950).

Almost surely, 2^111423013320 is an apocalyptic number.

111423013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111423013320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176001724800).

111423013320 is an abundant number, since it is smaller than the sum of its proper divisors (240580436280).

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

111423013320 is a wasteful number, since it uses less digits than its factorization.

111423013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370519 (or 370515 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111423013320 its reverse (23310324111), we get a palindrome (134733337431).

The spelling of 111423013320 in words is "one hundred eleven billion, four hundred twenty-three million, thirteen thousand, three hundred twenty".