420411323 has 2 divisors, whose sum is σ = 420411324. Its totient is φ = 420411322.

The previous prime is 420411283. The next prime is 420411337. The reversal of 420411323 is 323114024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420411323 - 2⁶ = 420411259 is a prime.

It is a super-2 number, since 2×420411323² = 353491361013220658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420411295 and 420411304.

It is not a weakly prime, because it can be changed into another prime (420411923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210205661 + 210205662.

It is an arithmetic number, because the mean of its divisors is an integer number (210205662).

Almost surely, 2^420411323 is an apocalyptic number.

420411323 is a deficient number, since it is larger than the sum of its proper divisors (1).

420411323 is an equidigital number, since it uses as much as digits as its factorization.

420411323 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 20.

The square root of 420411323 is about 20503.9343297817. The cubic root of 420411323 is about 749.1316308198.

Adding to 420411323 its reverse (323114024), we get a palindrome (743525347).

The spelling of 420411323 in words is "four hundred twenty million, four hundred eleven thousand, three hundred twenty-three".