111323223320 has 128 divisors (see below), whose sum is σ = 260774830080. Its totient is φ = 42724800000.

The previous prime is 111323223281. The next prime is 111323223343. The reversal of 111323223320 is 23322323111.

111323223320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 148232945 + ... + 148233695.

It is an arithmetic number, because the mean of its divisors is an integer number (2037303360).

Almost surely, 2^111323223320 is an apocalyptic number.

111323223320 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 111323223320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130387415040).

111323223320 is an abundant number, since it is smaller than the sum of its proper divisors (149451606760).

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

111323223320 is a wasteful number, since it uses less digits than its factorization.

111323223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 111323223320 its reverse (23322323111), we get a palindrome (134645546431).

The spelling of 111323223320 in words is "one hundred eleven billion, three hundred twenty-three million, two hundred twenty-three thousand, three hundred twenty".