111320443 has 8 divisors (see below), whose sum is σ = 121048928. Its totient is φ = 101758464.

The previous prime is 111320423. The next prime is 111320467. The reversal of 111320443 is 344023111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111320443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111320443.

It is not an unprimeable number, because it can be changed into a prime (111320423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40230 + ... + 42907.

It is an arithmetic number, because the mean of its divisors is an integer number (15131116).

Almost surely, 2^111320443 is an apocalyptic number.

111320443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111320443 is a deficient number, since it is larger than the sum of its proper divisors (9728485).

111320443 is a wasteful number, since it uses less digits than its factorization.

111320443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83253.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 111320443 is about 10550.8503448774. The cubic root of 111320443 is about 481.0515761967.

Adding to 111320443 its reverse (344023111), we get a palindrome (455343554).

The spelling of 111320443 in words is "one hundred eleven million, three hundred twenty thousand, four hundred forty-three".