223434343 has 4 divisors (see below), whose sum is σ = 243746568. Its totient is φ = 203122120.

The previous prime is 223434331. The next prime is 223434353. The reversal of 223434343 is 343434322.

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 223434343 - 2⁵ = 223434311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223434313) 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, 10156096 + ... + 10156117.

It is an arithmetic number, because the mean of its divisors is an integer number (60936642).

Almost surely, 2^223434343 is an apocalyptic number.

223434343 is a deficient number, since it is larger than the sum of its proper divisors (20312225).

223434343 is a wasteful number, since it uses less digits than its factorization.

223434343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20312224.

The product of its digits is 20736, while the sum is 28.

The square root of 223434343 is about 14947.7203278627. The cubic root of 223434343 is about 606.8061528009.

Adding to 223434343 its reverse (343434322), we get a palindrome (566868665).

The spelling of 223434343 in words is "two hundred twenty-three million, four hundred thirty-four thousand, three hundred forty-three".