421363203 has 16 divisors (see below), whose sum is σ = 574117632. Its totient is φ = 274820000.

The previous prime is 421363199. The next prime is 421363231. The reversal of 421363203 is 302363124.

It is a cyclic number.

It is not a de Polignac number, because 421363203 - 2² = 421363199 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (421363903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20353 + ... + 35453.

It is an arithmetic number, because the mean of its divisors is an integer number (35882352).

Almost surely, 2^421363203 is an apocalyptic number.

421363203 is a deficient number, since it is larger than the sum of its proper divisors (152754429).

421363203 is a wasteful number, since it uses less digits than its factorization.

421363203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15306.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 421363203 is about 20527.1333361480. The cubic root of 421363203 is about 749.6965901621.

The spelling of 421363203 in words is "four hundred twenty-one million, three hundred sixty-three thousand, two hundred three".