173230565 has 8 divisors (see below), whose sum is σ = 207963288. Its totient is φ = 138526720.

The previous prime is 173230523. The next prime is 173230567. The reversal of 173230565 is 565032371.

173230565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 83795716 + 89434849 = 9154^2 + 9457^2 .

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

It is not a de Polignac number, because 173230565 - 2⁶ = 173230501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173230567) 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, 9509 + ... + 20901.

It is an arithmetic number, because the mean of its divisors is an integer number (25995411).

Almost surely, 2^173230565 is an apocalyptic number.

It is an amenable number.

173230565 is a deficient number, since it is larger than the sum of its proper divisors (34732723).

173230565 is a wasteful number, since it uses less digits than its factorization.

173230565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14439.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 173230565 is about 13161.7082857811. The cubic root of 173230565 is about 557.4528933902.

The spelling of 173230565 in words is "one hundred seventy-three million, two hundred thirty thousand, five hundred sixty-five".