111200131223 has 4 divisors (see below), whose sum is σ = 111200798688. Its totient is φ = 111199463760.

The previous prime is 111200131193. The next prime is 111200131249. The reversal of 111200131223 is 322131002111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 111200131223 - 2¹² = 111200127127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200131423) 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, 146915 + ... + 493947.

It is an arithmetic number, because the mean of its divisors is an integer number (27800199672).

Almost surely, 2^111200131223 is an apocalyptic number.

111200131223 is a deficient number, since it is larger than the sum of its proper divisors (667465).

111200131223 is an equidigital number, since it uses as much as digits as its factorization.

111200131223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667464.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111200131223 its reverse (322131002111), we get a palindrome (433331133334).

The spelling of 111200131223 in words is "one hundred eleven billion, two hundred million, one hundred thirty-one thousand, two hundred twenty-three".