223213203 has 24 divisors (see below), whose sum is σ = 334326720. Its totient is φ = 143337600.

The previous prime is 223213201. The next prime is 223213217. The reversal of 223213203 is 302312322.

It is a happy number.

223213203 is a `hidden beast` number, since 22 + 321 + 320 + 3 = 666.

It is not a de Polignac number, because 223213203 - 2¹ = 223213201 is a prime.

It is a super-3 number, since 3×223213203³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223213201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156150 + ... + 157572.

It is an arithmetic number, because the mean of its divisors is an integer number (13930280).

Almost surely, 2^223213203 is an apocalyptic number.

223213203 is a deficient number, since it is larger than the sum of its proper divisors (111113517).

223213203 is a wasteful number, since it uses less digits than its factorization.

223213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059 (or 2056 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 223213203 is about 14940.3213820855. The cubic root of 223213203 is about 606.6058950047.

Adding to 223213203 its reverse (302312322), we get a palindrome (525525525).

The spelling of 223213203 in words is "two hundred twenty-three million, two hundred thirteen thousand, two hundred three".