424321203 has 4 divisors (see below), whose sum is σ = 565761608. Its totient is φ = 282880800.

The previous prime is 424321201. The next prime is 424321213. The reversal of 424321203 is 302123424.

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

It is not a de Polignac number, because 424321203 - 2¹ = 424321201 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 424321203.

It is not an unprimeable number, because it can be changed into a prime (424321201) 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, 70720198 + ... + 70720203.

It is an arithmetic number, because the mean of its divisors is an integer number (141440402).

Almost surely, 2^424321203 is an apocalyptic number.

424321203 is a deficient number, since it is larger than the sum of its proper divisors (141440405).

424321203 is a wasteful number, since it uses less digits than its factorization.

424321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141440404.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 424321203 is about 20599.0583037186. The cubic root of 424321203 is about 751.4468089748.

Adding to 424321203 its reverse (302123424), we get a palindrome (726444627).

The spelling of 424321203 in words is "four hundred twenty-four million, three hundred twenty-one thousand, two hundred three".