426020143 has 2 divisors, whose sum is σ = 426020144. Its totient is φ = 426020142.

The previous prime is 426020123. The next prime is 426020167. The reversal of 426020143 is 341020624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426020143 - 2⁹ = 426019631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426020113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213010071 + 213010072.

It is an arithmetic number, because the mean of its divisors is an integer number (213010072).

Almost surely, 2^426020143 is an apocalyptic number.

426020143 is a deficient number, since it is larger than the sum of its proper divisors (1).

426020143 is an equidigital number, since it uses as much as digits as its factorization.

426020143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 426020143 is about 20640.2554005516. The cubic root of 426020143 is about 752.4483795894.

Adding to 426020143 its reverse (341020624), we get a palindrome (767040767).

The spelling of 426020143 in words is "four hundred twenty-six million, twenty thousand, one hundred forty-three".