4231340143 has 2 divisors, whose sum is σ = 4231340144. Its totient is φ = 4231340142.

The previous prime is 4231340131. The next prime is 4231340167. The reversal of 4231340143 is 3410431324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4231340143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231340123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115670071 + 2115670072.

It is an arithmetic number, because the mean of its divisors is an integer number (2115670072).

Almost surely, 2^4231340143 is an apocalyptic number.

4231340143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231340143 is an equidigital number, since it uses as much as digits as its factorization.

4231340143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4231340143 is about 65048.7520479832. The cubic root of 4231340143 is about 1617.4318073028.

Adding to 4231340143 its reverse (3410431324), we get a palindrome (7641771467).

The spelling of 4231340143 in words is "four billion, two hundred thirty-one million, three hundred forty thousand, one hundred forty-three".