420326323 has 2 divisors, whose sum is σ = 420326324. Its totient is φ = 420326322.

The previous prime is 420326321. The next prime is 420326329. The reversal of 420326323 is 323623024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420326323 - 2¹ = 420326321 is a prime.

Together with 420326321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (420326321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210163161 + 210163162.

It is an arithmetic number, because the mean of its divisors is an integer number (210163162).

Almost surely, 2^420326323 is an apocalyptic number.

420326323 is a deficient number, since it is larger than the sum of its proper divisors (1).

420326323 is an equidigital number, since it uses as much as digits as its factorization.

420326323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 420326323 is about 20501.8614520731. The cubic root of 420326323 is about 749.0811402034.

Adding to 420326323 its reverse (323623024), we get a palindrome (743949347).

The spelling of 420326323 in words is "four hundred twenty million, three hundred twenty-six thousand, three hundred twenty-three".