111023013223 has 4 divisors (see below), whose sum is σ = 114023635240. Its totient is φ = 108022391208.

The previous prime is 111023013221. The next prime is 111023013271. The reversal of 111023013223 is 322310320111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111023013223 - 2¹ = 111023013221 is a prime.

It is a super-2 number, since 2×111023013223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111023013223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111023013221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500310953 + ... + 1500311026.

It is an arithmetic number, because the mean of its divisors is an integer number (28505908810).

Almost surely, 2^111023013223 is an apocalyptic number.

111023013223 is a deficient number, since it is larger than the sum of its proper divisors (3000622017).

111023013223 is an equidigital number, since it uses as much as digits as its factorization.

111023013223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000622016.

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

Adding to 111023013223 its reverse (322310320111), we get a palindrome (433333333334).

The spelling of 111023013223 in words is "one hundred eleven billion, twenty-three million, thirteen thousand, two hundred twenty-three".