421230303 has 36 divisors (see below), whose sum is σ = 687550032. Its totient is φ = 247927680.

The previous prime is 421230289. The next prime is 421230331. The reversal of 421230303 is 303032124.

It is not a de Polignac number, because 421230303 - 2²² = 417035999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421230353) 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 in 35 ways as a sum of consecutive naturals, for example, 28963 + ... + 41003.

It is an arithmetic number, because the mean of its divisors is an integer number (19098612).

Almost surely, 2^421230303 is an apocalyptic number.

421230303 is a deficient number, since it is larger than the sum of its proper divisors (266319729).

421230303 is a wasteful number, since it uses less digits than its factorization.

421230303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096 (or 12080 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 421230303 is about 20523.8959020942. The cubic root of 421230303 is about 749.6177625591.

Adding to 421230303 its reverse (303032124), we get a palindrome (724262427).

The spelling of 421230303 in words is "four hundred twenty-one million, two hundred thirty thousand, three hundred three".