434303143 has 2 divisors, whose sum is σ = 434303144. Its totient is φ = 434303142.

The previous prime is 434303123. The next prime is 434303161. The reversal of 434303143 is 341303434.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434303143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434303113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217151571 + 217151572.

It is an arithmetic number, because the mean of its divisors is an integer number (217151572).

Almost surely, 2^434303143 is an apocalyptic number.

434303143 is a deficient number, since it is larger than the sum of its proper divisors (1).

434303143 is an equidigital number, since it uses as much as digits as its factorization.

434303143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 434303143 is about 20839.9410507804. The cubic root of 434303143 is about 757.2936654777.

Adding to 434303143 its reverse (341303434), we get a palindrome (775606577).

The spelling of 434303143 in words is "four hundred thirty-four million, three hundred three thousand, one hundred forty-three".