223531203 has 16 divisors (see below), whose sum is σ = 342051840. Its totient is φ = 127194816.

The previous prime is 223531193. The next prime is 223531223. The reversal of 223531203 is 302135322.

It is not a de Polignac number, because 223531203 - 2⁸ = 223530947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 223531203.

It is not an unprimeable number, because it can be changed into a prime (223531223) 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 15 ways as a sum of consecutive naturals, for example, 17250 + ... + 27287.

It is an arithmetic number, because the mean of its divisors is an integer number (21378240).

Almost surely, 2^223531203 is an apocalyptic number.

223531203 is a deficient number, since it is larger than the sum of its proper divisors (118520637).

223531203 is a wasteful number, since it uses less digits than its factorization.

223531203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44786.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 223531203 is about 14950.9599357366. The cubic root of 223531203 is about 606.8938247199.

Adding to 223531203 its reverse (302135322), we get a palindrome (525666525).

The spelling of 223531203 in words is "two hundred twenty-three million, five hundred thirty-one thousand, two hundred three".