223623643504520 has 128 divisors (see below), whose sum is σ = 582637244313600. Its totient is φ = 75663566989056.

The previous prime is 223623643504517. The next prime is 223623643504559. The reversal of 223623643504520 is 25405346326322.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10703132 + ... + 23702411.

It is an arithmetic number, because the mean of its divisors is an integer number (4551853471200).

Almost surely, 2^{223623643504520} is an apocalyptic number.

223623643504520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223623643504520 is an abundant number, since it is smaller than the sum of its proper divisors (359013600809080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223623643504520 is a wasteful number, since it uses less digits than its factorization.

223623643504520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34405867 (or 34405863 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 47.

The spelling of 223623643504520 in words is "two hundred twenty-three trillion, six hundred twenty-three billion, six hundred forty-three million, five hundred four thousand, five hundred twenty".