111444122343 has 4 divisors (see below), whose sum is σ = 148592163128. Its totient is φ = 74296081560.

The previous prime is 111444122341. The next prime is 111444122371. The reversal of 111444122343 is 343221444111.

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 111444122343 - 2¹ = 111444122341 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 111444122343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111444122341) 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, 18574020388 + ... + 18574020393.

It is an arithmetic number, because the mean of its divisors is an integer number (37148040782).

Almost surely, 2^111444122343 is an apocalyptic number.

111444122343 is a deficient number, since it is larger than the sum of its proper divisors (37148040785).

111444122343 is an equidigital number, since it uses as much as digits as its factorization.

111444122343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37148040784.

The product of its digits is 9216, while the sum is 30.

Adding to 111444122343 its reverse (343221444111), we get a palindrome (454665566454).

The spelling of 111444122343 in words is "one hundred eleven billion, four hundred forty-four million, one hundred twenty-two thousand, three hundred forty-three".