223443243 has 6 divisors (see below), whose sum is σ = 322751364. Its totient is φ = 148962156.

The previous prime is 223443203. The next prime is 223443247. The reversal of 223443243 is 342344322.

223443243 is a `hidden beast` number, since 223 + 4 + 432 + 4 + 3 = 666.

It is not a de Polignac number, because 223443243 - 2⁸ = 223442987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223443247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12413505 + ... + 12413522.

It is an arithmetic number, because the mean of its divisors is an integer number (53791894).

Almost surely, 2^223443243 is an apocalyptic number.

223443243 is a deficient number, since it is larger than the sum of its proper divisors (99308121).

223443243 is a wasteful number, since it uses less digits than its factorization.

223443243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24827033 (or 24827030 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

The square root of 223443243 is about 14948.0180291569. The cubic root of 223443243 is about 606.8142096093.

Adding to 223443243 its reverse (342344322), we get a palindrome (565787565).

The spelling of 223443243 in words is "two hundred twenty-three million, four hundred forty-three thousand, two hundred forty-three".