223304310644 has 48 divisors (see below), whose sum is σ = 398746728576. Its totient is φ = 109391990400.

The previous prime is 223304310563. The next prime is 223304310703. The reversal of 223304310644 is 446013403322.

It is a self number, because there is not a number n which added to its sum of digits gives 223304310644.

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, 78543887 + ... + 78546729.

It is an arithmetic number, because the mean of its divisors is an integer number (8307223512).

Almost surely, 2^223304310644 is an apocalyptic number.

It is an amenable number.

223304310644 is a deficient number, since it is larger than the sum of its proper divisors (175442417932).

223304310644 is a wasteful number, since it uses less digits than its factorization.

223304310644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056 (or 4054 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 223304310644 its reverse (446013403322), we get a palindrome (669317713966).

The spelling of 223304310644 in words is "two hundred twenty-three billion, three hundred four million, three hundred ten thousand, six hundred forty-four".