420230323 has 4 divisors (see below), whose sum is σ = 420498040. Its totient is φ = 419962608.

The previous prime is 420230297. The next prime is 420230339. The reversal of 420230323 is 323032024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420230323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420230323.

It is not an unprimeable number, because it can be changed into a prime (420200323) 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 in 3 ways as a sum of consecutive naturals, for example, 131490 + ... + 134647.

It is an arithmetic number, because the mean of its divisors is an integer number (105124510).

Almost surely, 2^420230323 is an apocalyptic number.

420230323 is a deficient number, since it is larger than the sum of its proper divisors (267717).

420230323 is a wasteful number, since it uses less digits than its factorization.

420230323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267716.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 420230323 is about 20499.5200675528. The cubic root of 420230323 is about 749.0241073213.

Adding to 420230323 its reverse (323032024), we get a palindrome (743262347).

The spelling of 420230323 in words is "four hundred twenty million, two hundred thirty thousand, three hundred twenty-three".