421352203 has 12 divisors (see below), whose sum is σ = 451234728. Its totient is φ = 393182240.

The previous prime is 421352201. The next prime is 421352207. The reversal of 421352203 is 302253124.

It is not a de Polignac number, because 421352203 - 2¹ = 421352201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421352201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11976 + ... + 31402.

It is an arithmetic number, because the mean of its divisors is an integer number (37602894).

Almost surely, 2^421352203 is an apocalyptic number.

421352203 is a deficient number, since it is larger than the sum of its proper divisors (29882525).

421352203 is a wasteful number, since it uses less digits than its factorization.

421352203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19514 (or 19491 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 421352203 is about 20526.8653963531. The cubic root of 421352203 is about 749.6900663095.

The spelling of 421352203 in words is "four hundred twenty-one million, three hundred fifty-two thousand, two hundred three".