243433223 has 4 divisors (see below), whose sum is σ = 265563528. Its totient is φ = 221302920.

The previous prime is 243433213. The next prime is 243433231. The reversal of 243433223 is 322334342.

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

It is a cyclic number.

It is not a de Polignac number, because 243433223 - 2⁶ = 243433159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243433192 and 243433201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243433213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11065136 + ... + 11065157.

It is an arithmetic number, because the mean of its divisors is an integer number (66390882).

Almost surely, 2^243433223 is an apocalyptic number.

243433223 is a deficient number, since it is larger than the sum of its proper divisors (22130305).

243433223 is a wasteful number, since it uses less digits than its factorization.

243433223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22130304.

The product of its digits is 10368, while the sum is 26.

The square root of 243433223 is about 15602.3467145170. The cubic root of 243433223 is about 624.3957663242.

Adding to 243433223 its reverse (322334342), we get a palindrome (565767565).

The spelling of 243433223 in words is "two hundred forty-three million, four hundred thirty-three thousand, two hundred twenty-three".