204319173 has 8 divisors (see below), whose sum is σ = 272495808. Its totient is φ = 136177664.

The previous prime is 204319147. The next prime is 204319229. The reversal of 204319173 is 371913402.

204319173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 204319173 - 2⁹ = 204318661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204319173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204319133) 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, 11461 + ... + 23237.

It is an arithmetic number, because the mean of its divisors is an integer number (34061976).

Almost surely, 2^204319173 is an apocalyptic number.

It is an amenable number.

204319173 is a deficient number, since it is larger than the sum of its proper divisors (68176635).

204319173 is a wasteful number, since it uses less digits than its factorization.

204319173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17563.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 204319173 is about 14294.0257800243. The cubic root of 204319173 is about 588.9833809541.

The spelling of 204319173 in words is "two hundred four million, three hundred nineteen thousand, one hundred seventy-three".