223321434430 has 32 divisors (see below), whose sum is σ = 403864602624. Its totient is φ = 88909625376.

The previous prime is 223321434397. The next prime is 223321434449. The reversal of 223321434430 is 34434123322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 223321434392 and 223321434401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17215807 + ... + 17228773.

It is an arithmetic number, because the mean of its divisors is an integer number (12620768832).

Almost surely, 2^223321434430 is an apocalyptic number.

223321434430 is a deficient number, since it is larger than the sum of its proper divisors (180543168194).

223321434430 is a wasteful number, since it uses less digits than its factorization.

223321434430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20920.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 223321434430 its reverse (34434123322), we get a palindrome (257755557752).

The spelling of 223321434430 in words is "two hundred twenty-three billion, three hundred twenty-one million, four hundred thirty-four thousand, four hundred thirty".