223017421165 has 32 divisors (see below), whose sum is σ = 341416728576. Its totient is φ = 135790724160.

The previous prime is 223017421157. The next prime is 223017421201. The reversal of 223017421165 is 561124710322.

It is not a de Polignac number, because 223017421165 - 2³ = 223017421157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223017421165.

It is a congruent number.

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, 6719097 + ... + 6752206.

It is an arithmetic number, because the mean of its divisors is an integer number (10669272768).

Almost surely, 2^223017421165 is an apocalyptic number.

It is an amenable number.

223017421165 is a deficient number, since it is larger than the sum of its proper divisors (118399307411).

223017421165 is a wasteful number, since it uses less digits than its factorization.

223017421165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13471369.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 223017421165 in words is "two hundred twenty-three billion, seventeen million, four hundred twenty-one thousand, one hundred sixty-five".