111012311323 has 4 divisors (see below), whose sum is σ = 112669211560. Its totient is φ = 109355411088.

The previous prime is 111012311299. The next prime is 111012311327. The reversal of 111012311323 is 323113210111.

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 111012311323 - 2²¹ = 111010214171 is a prime.

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 111012311323.

It is not an unprimeable number, because it can be changed into a prime (111012311327) 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, 828450018 + ... + 828450151.

It is an arithmetic number, because the mean of its divisors is an integer number (28167302890).

Almost surely, 2^111012311323 is an apocalyptic number.

111012311323 is a deficient number, since it is larger than the sum of its proper divisors (1656900237).

111012311323 is an equidigital number, since it uses as much as digits as its factorization.

111012311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656900236.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111012311323 its reverse (323113210111), we get a palindrome (434125521434).

The spelling of 111012311323 in words is "one hundred eleven billion, twelve million, three hundred eleven thousand, three hundred twenty-three".