111443442412423 has 8 divisors (see below), whose sum is σ = 121575416933376. Its totient is φ = 101311593305400.

The previous prime is 111443442412369. The next prime is 111443442412439. The reversal of 111443442412423 is 324214244344111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111443442412423 - 2²¹ = 111443440315271 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 (111443442482423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29490673 + ... + 33054298.

It is an arithmetic number, because the mean of its divisors is an integer number (15196927116672).

Almost surely, 2^{111443442412423} is an apocalyptic number.

111443442412423 is a deficient number, since it is larger than the sum of its proper divisors (10131974520953).

111443442412423 is a wasteful number, since it uses less digits than its factorization.

111443442412423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62706965.

The product of its digits is 294912, while the sum is 40.

Adding to 111443442412423 its reverse (324214244344111), we get a palindrome (435657686756534).

The spelling of 111443442412423 in words is "one hundred eleven trillion, four hundred forty-three billion, four hundred forty-two million, four hundred twelve thousand, four hundred twenty-three".