12443113043 has 4 divisors (see below), whose sum is σ = 12448927008. Its totient is φ = 12437299080.

The previous prime is 12443113009. The next prime is 12443113049. The reversal of 12443113043 is 34031134421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34031134421 = 3691 ⋅9220031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12443113043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12443113049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903771 + ... + 2908052.

It is an arithmetic number, because the mean of its divisors is an integer number (3112231752).

Almost surely, 2^12443113043 is an apocalyptic number.

12443113043 is a deficient number, since it is larger than the sum of its proper divisors (5813965).

12443113043 is an equidigital number, since it uses as much as digits as its factorization.

12443113043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813964.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12443113043 its reverse (34031134421), we get a palindrome (46474247464).

The spelling of 12443113043 in words is "twelve billion, four hundred forty-three million, one hundred thirteen thousand, forty-three".