111223424143 has 8 divisors (see below), whose sum is σ = 119785429008. Its totient is φ = 102662327424.

The previous prime is 111223424119. The next prime is 111223424149. The reversal of 111223424143 is 341424322111.

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 111223424143 - 2⁹ = 111223423631 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 (111223424149) 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, 38880 + ... + 473242.

It is an arithmetic number, because the mean of its divisors is an integer number (14973178626).

Almost surely, 2^111223424143 is an apocalyptic number.

111223424143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111223424143 is a deficient number, since it is larger than the sum of its proper divisors (8562004865).

111223424143 is a wasteful number, since it uses less digits than its factorization.

111223424143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454073.

The product of its digits is 4608, while the sum is 28.

Adding to 111223424143 its reverse (341424322111), we get a palindrome (452647746254).

The spelling of 111223424143 in words is "one hundred eleven billion, two hundred twenty-three million, four hundred twenty-four thousand, one hundred forty-three".