401434043 has 2 divisors, whose sum is σ = 401434044. Its totient is φ = 401434042.

The previous prime is 401434027. The next prime is 401434067. The reversal of 401434043 is 340434104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401434043 - 2⁴ = 401434027 is a prime.

It is a super-2 number, since 2×401434043² = 322298581758651698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401434013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200717021 + 200717022.

It is an arithmetic number, because the mean of its divisors is an integer number (200717022).

Almost surely, 2^401434043 is an apocalyptic number.

401434043 is a deficient number, since it is larger than the sum of its proper divisors (1).

401434043 is an equidigital number, since it uses as much as digits as its factorization.

401434043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 401434043 is about 20035.8189999810. The cubic root of 401434043 is about 737.6857595083.

Adding to 401434043 its reverse (340434104), we get a palindrome (741868147).

The spelling of 401434043 in words is "four hundred one million, four hundred thirty-four thousand, forty-three".