340425143 has 2 divisors, whose sum is σ = 340425144. Its totient is φ = 340425142.

The previous prime is 340425133. The next prime is 340425157. The reversal of 340425143 is 341524043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340425143 - 2¹⁴ = 340408759 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340425133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170212571 + 170212572.

It is an arithmetic number, because the mean of its divisors is an integer number (170212572).

Almost surely, 2^340425143 is an apocalyptic number.

340425143 is a deficient number, since it is larger than the sum of its proper divisors (1).

340425143 is an equidigital number, since it uses as much as digits as its factorization.

340425143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 340425143 is about 18450.6136212322. The cubic root of 340425143 is about 698.2439952067.

Adding to 340425143 its reverse (341524043), we get a palindrome (681949186).

The spelling of 340425143 in words is "three hundred forty million, four hundred twenty-five thousand, one hundred forty-three".