420303167 has 2 divisors, whose sum is σ = 420303168. Its totient is φ = 420303166.

The previous prime is 420303137. The next prime is 420303179. The reversal of 420303167 is 761303024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420303167 - 2²² = 416108863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420303137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210151583 + 210151584.

It is an arithmetic number, because the mean of its divisors is an integer number (210151584).

Almost surely, 2^420303167 is an apocalyptic number.

420303167 is a deficient number, since it is larger than the sum of its proper divisors (1).

420303167 is an equidigital number, since it uses as much as digits as its factorization.

420303167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 420303167 is about 20501.2967150861. The cubic root of 420303167 is about 749.0673841918.

The spelling of 420303167 in words is "four hundred twenty million, three hundred three thousand, one hundred sixty-seven".