1112223043 has 2 divisors, whose sum is σ = 1112223044. Its totient is φ = 1112223042.

The previous prime is 1112223041. The next prime is 1112223059. The reversal of 1112223043 is 3403222111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3403222111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112223043 - 2¹ = 1112223041 is a prime.

Together with 1112223041, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1112223043.

It is not a weakly prime, because it can be changed into another prime (1112223041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556111521 + 556111522.

It is an arithmetic number, because the mean of its divisors is an integer number (556111522).

Almost surely, 2^1112223043 is an apocalyptic number.

1112223043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112223043 is an equidigital number, since it uses as much as digits as its factorization.

1112223043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1112223043 is about 33350.0081409285. The cubic root of 1112223043 is about 1036.0895565535.

Adding to 1112223043 its reverse (3403222111), we get a palindrome (4515445154).

The spelling of 1112223043 in words is "one billion, one hundred twelve million, two hundred twenty-three thousand, forty-three".