1112343043 has 16 divisors (see below), whose sum is σ = 1330592256. Its totient is φ = 909184320.

The previous prime is 1112343017. The next prime is 1112343047. The reversal of 1112343043 is 3403432111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112343043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112343047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42855 + ... + 63727.

It is an arithmetic number, because the mean of its divisors is an integer number (83162016).

Almost surely, 2^1112343043 is an apocalyptic number.

1112343043 is a deficient number, since it is larger than the sum of its proper divisors (218249213).

1112343043 is a wasteful number, since it uses less digits than its factorization.

1112343043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21234.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1112343043 is about 33351.8071924146. The cubic root of 1112343043 is about 1036.1268171481.

Adding to 1112343043 its reverse (3403432111), we get a palindrome (4515775154).

The spelling of 1112343043 in words is "one billion, one hundred twelve million, three hundred forty-three thousand, forty-three".