4231143443 has 2 divisors, whose sum is σ = 4231143444. Its totient is φ = 4231143442.

The previous prime is 4231143391. The next prime is 4231143487. The reversal of 4231143443 is 3443411324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4231143443 - 2¹⁸ = 4230881299 is a prime.

It is not a weakly prime, because it can be changed into another prime (4231140443) 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, 2115571721 + 2115571722.

It is an arithmetic number, because the mean of its divisors is an integer number (2115571722).

Almost surely, 2^4231143443 is an apocalyptic number.

4231143443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231143443 is an equidigital number, since it uses as much as digits as its factorization.

4231143443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 29.

The square root of 4231143443 is about 65047.2400874933. The cubic root of 4231143443 is about 1617.4067440245.

Adding to 4231143443 its reverse (3443411324), we get a palindrome (7674554767).

The spelling of 4231143443 in words is "four billion, two hundred thirty-one million, one hundred forty-three thousand, four hundred forty-three".