111361010423 has 4 divisors (see below), whose sum is σ = 119927242008. Its totient is φ = 102794778840.

The previous prime is 111361010413. The next prime is 111361010503. The reversal of 111361010423 is 324010163111.

It is a happy number.

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

It is not a de Polignac number, because 111361010423 - 2⁶ = 111361010359 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 (111361010413) 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, 4283115773 + ... + 4283115798.

It is an arithmetic number, because the mean of its divisors is an integer number (29981810502).

Almost surely, 2^111361010423 is an apocalyptic number.

111361010423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111361010423 is a deficient number, since it is larger than the sum of its proper divisors (8566231585).

111361010423 is an equidigital number, since it uses as much as digits as its factorization.

111361010423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566231584.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 111361010423 its reverse (324010163111), we get a palindrome (435371173534).

The spelling of 111361010423 in words is "one hundred eleven billion, three hundred sixty-one million, ten thousand, four hundred twenty-three".