4043431121143 has 16 divisors (see below), whose sum is σ = 4327193211264. Its totient is φ = 3764802723840.

The previous prime is 4043431121123. The next prime is 4043431121167. The reversal of 4043431121143 is 3411211343404.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4043431121143 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 (4043431121113) 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, 3522946 + ... + 4527472.

It is an arithmetic number, because the mean of its divisors is an integer number (270449575704).

Almost surely, 2^{4043431121143} is an apocalyptic number.

4043431121143 is a deficient number, since it is larger than the sum of its proper divisors (283762090121).

4043431121143 is a wasteful number, since it uses less digits than its factorization.

4043431121143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007082.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 4043431121143 its reverse (3411211343404), we get a palindrome (7454642464547).

The spelling of 4043431121143 in words is "four trillion, forty-three billion, four hundred thirty-one million, one hundred twenty-one thousand, one hundred forty-three".