4042340143 has 2 divisors, whose sum is σ = 4042340144. Its totient is φ = 4042340142.

The previous prime is 4042340063. The next prime is 4042340147. The reversal of 4042340143 is 3410432404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4042340143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4042340147) 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 as a sum of consecutive naturals, namely, 2021170071 + 2021170072.

It is an arithmetic number, because the mean of its divisors is an integer number (2021170072).

Almost surely, 2^4042340143 is an apocalyptic number.

4042340143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042340143 is an equidigital number, since it uses as much as digits as its factorization.

4042340143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4042340143 is about 63579.4003038720. The cubic root of 4042340143 is about 1592.9823044221.

Adding to 4042340143 its reverse (3410432404), we get a palindrome (7452772547).

The spelling of 4042340143 in words is "four billion, forty-two million, three hundred forty thousand, one hundred forty-three".