421322203 has 8 divisors (see below), whose sum is σ = 448351200. Its totient is φ = 394542720.

The previous prime is 421322177. The next prime is 421322227. The reversal of 421322203 is 302223124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421322203 - 2⁵ = 421322171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421322233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58888 + ... + 65653.

It is an arithmetic number, because the mean of its divisors is an integer number (56043900).

Almost surely, 2^421322203 is an apocalyptic number.

421322203 is a deficient number, since it is larger than the sum of its proper divisors (27028997).

421322203 is a wasteful number, since it uses less digits than its factorization.

421322203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124757.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 421322203 is about 20526.1346336810. The cubic root of 421322203 is about 749.6722734072.

Adding to 421322203 its reverse (302223124), we get a palindrome (723545327).

It can be divided in two parts, 421 and 322203, that added together give a square (322624 = 568²).

The spelling of 421322203 in words is "four hundred twenty-one million, three hundred twenty-two thousand, two hundred three".