111123023320 has 16 divisors (see below), whose sum is σ = 250026802560. Its totient is φ = 44449209312.

The previous prime is 111123023317. The next prime is 111123023357. The reversal of 111123023320 is 23320321111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389037752 + ... + 1389037831.

It is an arithmetic number, because the mean of its divisors is an integer number (15626675160).

Almost surely, 2^111123023320 is an apocalyptic number.

111123023320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111123023320 is an abundant number, since it is smaller than the sum of its proper divisors (138903779240).

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

111123023320 is a wasteful number, since it uses less digits than its factorization.

111123023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778075594 (or 2778075590 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 111123023320 its reverse (23320321111), we get a palindrome (134443344431).

The spelling of 111123023320 in words is "one hundred eleven billion, one hundred twenty-three million, twenty-three thousand, three hundred twenty".