420430327 has 2 divisors, whose sum is σ = 420430328. Its totient is φ = 420430326.

The previous prime is 420430321. The next prime is 420430343. The reversal of 420430327 is 723034024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420430327 - 2¹¹ = 420428279 is a prime.

It is a super-2 number, since 2×420430327² = 353523319722653858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420430321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210215163 + 210215164.

It is an arithmetic number, because the mean of its divisors is an integer number (210215164).

Almost surely, 2^420430327 is an apocalyptic number.

420430327 is a deficient number, since it is larger than the sum of its proper divisors (1).

420430327 is an equidigital number, since it uses as much as digits as its factorization.

420430327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 420430327 is about 20504.3977478003. The cubic root of 420430327 is about 749.1429184028.

The spelling of 420430327 in words is "four hundred twenty million, four hundred thirty thousand, three hundred twenty-seven".