111301401423 has 4 divisors (see below), whose sum is σ = 148401868568. Its totient is φ = 74200934280.

The previous prime is 111301401383. The next prime is 111301401427. The reversal of 111301401423 is 324104103111.

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

It is a de Polignac number, because none of the positive numbers 2^k-111301401423 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 111301401423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111301401427) 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, 18550233568 + ... + 18550233573.

It is an arithmetic number, because the mean of its divisors is an integer number (37100467142).

Almost surely, 2^111301401423 is an apocalyptic number.

111301401423 is a deficient number, since it is larger than the sum of its proper divisors (37100467145).

111301401423 is an equidigital number, since it uses as much as digits as its factorization.

111301401423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37100467144.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111301401423 its reverse (324104103111), we get a palindrome (435405504534).

The spelling of 111301401423 in words is "one hundred eleven billion, three hundred one million, four hundred one thousand, four hundred twenty-three".