223216819673 has 8 divisors (see below), whose sum is σ = 234973041600. Its totient is φ = 211461394608.

The previous prime is 223216819663. The next prime is 223216819687. The reversal of 223216819673 is 376918612322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223216819673 is a prime.

It is a super-3 number, since 3×223216819673³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223216819603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426140 + ... + 792482.

It is an arithmetic number, because the mean of its divisors is an integer number (29371630200).

Almost surely, 2^223216819673 is an apocalyptic number.

It is an amenable number.

223216819673 is a deficient number, since it is larger than the sum of its proper divisors (11756221927).

223216819673 is a wasteful number, since it uses less digits than its factorization.

223216819673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398431.

The product of its digits is 1306368, while the sum is 50.

The spelling of 223216819673 in words is "two hundred twenty-three billion, two hundred sixteen million, eight hundred nineteen thousand, six hundred seventy-three".