111223321443 has 24 divisors (see below), whose sum is σ = 174116084688. Its totient is φ = 68009153472.

The previous prime is 111223321403. The next prime is 111223321567. The reversal of 111223321443 is 344123322111.

111223321443 is a `hidden beast` number, since 111 + 223 + 321 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 111223321443 - 2¹⁶ = 111223255907 is a prime.

It is a super-3 number, since 3×111223321443³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (111223321403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3009105 + ... + 3045842.

It is an arithmetic number, because the mean of its divisors is an integer number (7254836862).

Almost surely, 2^111223321443 is an apocalyptic number.

111223321443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111223321443 is a deficient number, since it is larger than the sum of its proper divisors (62892763245).

111223321443 is a wasteful number, since it uses less digits than its factorization.

111223321443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055123 (or 6055120 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 111223321443 its reverse (344123322111), we get a palindrome (455346643554).

The spelling of 111223321443 in words is "one hundred eleven billion, two hundred twenty-three million, three hundred twenty-one thousand, four hundred forty-three".