420343067 has 2 divisors, whose sum is σ = 420343068. Its totient is φ = 420343066.

The previous prime is 420343039. The next prime is 420343073. The reversal of 420343067 is 760343024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420343067 - 2²⁸ = 151907611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (420343087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210171533 + 210171534.

It is an arithmetic number, because the mean of its divisors is an integer number (210171534).

Almost surely, 2^420343067 is an apocalyptic number.

420343067 is a deficient number, since it is larger than the sum of its proper divisors (1).

420343067 is an equidigital number, since it uses as much as digits as its factorization.

420343067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 420343067 is about 20502.2698011708. The cubic root of 420343067 is about 749.0910867992.

The spelling of 420343067 in words is "four hundred twenty million, three hundred forty-three thousand, sixty-seven".