405343143143 has 2 divisors, whose sum is σ = 405343143144. Its totient is φ = 405343143142.

The previous prime is 405343143131. The next prime is 405343143169. The reversal of 405343143143 is 341341343504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405343143143 - 2⁸ = 405343142887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405343143113) 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, 202671571571 + 202671571572.

It is an arithmetic number, because the mean of its divisors is an integer number (202671571572).

Almost surely, 2^405343143143 is an apocalyptic number.

405343143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

405343143143 is an equidigital number, since it uses as much as digits as its factorization.

405343143143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 405343143143 its reverse (341341343504), we get a palindrome (746684486647).

The spelling of 405343143143 in words is "four hundred five billion, three hundred forty-three million, one hundred forty-three thousand, one hundred forty-three".