111343144310023 has 4 divisors (see below), whose sum is σ = 117892741034160. Its totient is φ = 104793547585888.

The previous prime is 111343144309993. The next prime is 111343144310029. The reversal of 111343144310023 is 320013441343111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111343144310023 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 (111343144310029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3274798362043 + ... + 3274798362076.

It is an arithmetic number, because the mean of its divisors is an integer number (29473185258540).

Almost surely, 2^{111343144310023} is an apocalyptic number.

111343144310023 is a deficient number, since it is larger than the sum of its proper divisors (6549596724137).

111343144310023 is an equidigital number, since it uses as much as digits as its factorization.

111343144310023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549596724136.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 111343144310023 its reverse (320013441343111), we get a palindrome (431356585653134).

The spelling of 111343144310023 in words is "one hundred eleven trillion, three hundred forty-three billion, one hundred forty-four million, three hundred ten thousand, twenty-three".