111320313223 has 24 divisors (see below), whose sum is σ = 137238982992. Its totient is φ = 89721725184.

The previous prime is 111320313211. The next prime is 111320313229. The reversal of 111320313223 is 322313023111.

It is not a de Polignac number, because 111320313223 - 2¹⁷ = 111320182151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111320313194 and 111320313203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111320313229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 849336 + ... + 971602.

It is an arithmetic number, because the mean of its divisors is an integer number (5718290958).

Almost surely, 2^111320313223 is an apocalyptic number.

111320313223 is a deficient number, since it is larger than the sum of its proper divisors (25918669769).

111320313223 is a wasteful number, since it uses less digits than its factorization.

111320313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123391 (or 123384 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 111320313223 its reverse (322313023111), we get a palindrome (433633336334).

The spelling of 111320313223 in words is "one hundred eleven billion, three hundred twenty million, three hundred thirteen thousand, two hundred twenty-three".