223430234 has 16 divisors (see below), whose sum is σ = 368124480. Its totient is φ = 101233440.

The previous prime is 223430219. The next prime is 223430261. The reversal of 223430234 is 432034322.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 126947 + ... + 128694.

It is an arithmetic number, because the mean of its divisors is an integer number (23007780).

Almost surely, 2^223430234 is an apocalyptic number.

223430234 is a deficient number, since it is larger than the sum of its proper divisors (144694246).

223430234 is a wasteful number, since it uses less digits than its factorization.

223430234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255685.

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

The square root of 223430234 is about 14947.5828815230. The cubic root of 223430234 is about 606.8024330180.

Adding to 223430234 its reverse (432034322), we get a palindrome (655464556).

The spelling of 223430234 in words is "two hundred twenty-three million, four hundred thirty thousand, two hundred thirty-four".