223403234 has 4 divisors (see below), whose sum is σ = 335104854. Its totient is φ = 111701616.

The previous prime is 223403233. The next prime is 223403249. The reversal of 223403234 is 432304322.

223403234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 217474009 + 5929225 = 14747^2 + 2435^2 .

It is not an unprimeable number, because it can be changed into a prime (223403233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55850807 + ... + 55850810.

Almost surely, 2^223403234 is an apocalyptic number.

223403234 is a deficient number, since it is larger than the sum of its proper divisors (111701620).

223403234 is a wasteful number, since it uses less digits than its factorization.

223403234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111701619.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 223403234 is about 14946.6796981805. The cubic root of 223403234 is about 606.7779894062. Note that the first 3 decimals are identical.

Adding to 223403234 its reverse (432304322), we get a palindrome (655707556).

The spelling of 223403234 in words is "two hundred twenty-three million, four hundred three thousand, two hundred thirty-four".