111636401323 has 4 divisors (see below), whose sum is σ = 111644408160. Its totient is φ = 111628394488.

The previous prime is 111636401281. The next prime is 111636401333. The reversal of 111636401323 is 323104636111.

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 111636401323 - 2²⁵ = 111602846891 is a prime.

It is a super-2 number, since 2×111636401323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111636401333) 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, 3982468 + ... + 4010401.

It is an arithmetic number, because the mean of its divisors is an integer number (27911102040).

Almost surely, 2^111636401323 is an apocalyptic number.

111636401323 is a deficient number, since it is larger than the sum of its proper divisors (8006837).

111636401323 is an equidigital number, since it uses as much as digits as its factorization.

111636401323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006836.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 111636401323 in words is "one hundred eleven billion, six hundred thirty-six million, four hundred one thousand, three hundred twenty-three".