420423301 has 2 divisors, whose sum is σ = 420423302. Its totient is φ = 420423300.

The previous prime is 420423293. The next prime is 420423323. The reversal of 420423301 is 103324024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303804900 + 116618401 = 17430^2 + 10799^2 .

It is a cyclic number.

It is not a de Polignac number, because 420423301 - 2³ = 420423293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420423901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210211650 + 210211651.

It is an arithmetic number, because the mean of its divisors is an integer number (210211651).

Almost surely, 2^420423301 is an apocalyptic number.

It is an amenable number.

420423301 is a deficient number, since it is larger than the sum of its proper divisors (1).

420423301 is an equidigital number, since it uses as much as digits as its factorization.

420423301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 420423301 is about 20504.2264179851. The cubic root of 420423301 is about 749.1387452916.

Adding to 420423301 its reverse (103324024), we get a palindrome (523747325).

The spelling of 420423301 in words is "four hundred twenty million, four hundred twenty-three thousand, three hundred one".