223434443 has 8 divisors (see below), whose sum is σ = 233979648. Its totient is φ = 212958504.

The previous prime is 223434439. The next prime is 223434457. The reversal of 223434443 is 344434322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223434443 - 2² = 223434439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223434403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10655 + ... + 23672.

It is an arithmetic number, because the mean of its divisors is an integer number (29247456).

Almost surely, 2^223434443 is an apocalyptic number.

223434443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

223434443 is a deficient number, since it is larger than the sum of its proper divisors (10545205).

223434443 is a wasteful number, since it uses less digits than its factorization.

223434443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34633.

The product of its digits is 27648, while the sum is 29.

The square root of 223434443 is about 14947.7236728540. The cubic root of 223434443 is about 606.8062433281.

Adding to 223434443 its reverse (344434322), we get a palindrome (567868765).

The spelling of 223434443 in words is "two hundred twenty-three million, four hundred thirty-four thousand, four hundred forty-three".