223433243 has 4 divisors (see below), whose sum is σ = 243745368. Its totient is φ = 203121120.

The previous prime is 223433209. The next prime is 223433257. The reversal of 223433243 is 342334322.

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 223433243 - 2¹⁴ = 223416859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223433843) 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, 10156046 + ... + 10156067.

It is an arithmetic number, because the mean of its divisors is an integer number (60936342).

Almost surely, 2^223433243 is an apocalyptic number.

223433243 is a deficient number, since it is larger than the sum of its proper divisors (20312125).

223433243 is a wasteful number, since it uses less digits than its factorization.

223433243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20312124.

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

The square root of 223433243 is about 14947.6835329090. The cubic root of 223433243 is about 606.8051570008.

Adding to 223433243 its reverse (342334322), we get a palindrome (565767565).

The spelling of 223433243 in words is "two hundred twenty-three million, four hundred thirty-three thousand, two hundred forty-three".