173225323 has 4 divisors (see below), whose sum is σ = 179198640. Its totient is φ = 167252008.

The previous prime is 173225309. The next prime is 173225341. The reversal of 173225323 is 323522371.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 173225323 - 2²⁵ = 139670891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 173225291 and 173225300.

It is not an unprimeable number, because it can be changed into a prime (173225363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2986615 + ... + 2986672.

It is an arithmetic number, because the mean of its divisors is an integer number (44799660).

Almost surely, 2^173225323 is an apocalyptic number.

173225323 is a deficient number, since it is larger than the sum of its proper divisors (5973317).

173225323 is an equidigital number, since it uses as much as digits as its factorization.

173225323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973316.

The product of its digits is 7560, while the sum is 28.

The square root of 173225323 is about 13161.5091459908. The cubic root of 173225323 is about 557.4472704457.

Adding to 173225323 its reverse (323522371), we get a palindrome (496747694).

The spelling of 173225323 in words is "one hundred seventy-three million, two hundred twenty-five thousand, three hundred twenty-three".