173320327 has 4 divisors (see below), whose sum is σ = 179296920. Its totient is φ = 167343736.

The previous prime is 173320313. The next prime is 173320331. The reversal of 173320327 is 723023371.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173320327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 173320295 and 173320304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173320397) 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, 2988253 + ... + 2988310.

It is an arithmetic number, because the mean of its divisors is an integer number (44824230).

Almost surely, 2^173320327 is an apocalyptic number.

173320327 is a deficient number, since it is larger than the sum of its proper divisors (5976593).

173320327 is an equidigital number, since it uses as much as digits as its factorization.

173320327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976592.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 173320327 is about 13165.1178118542. The cubic root of 173320327 is about 557.5491609406.

Adding to 173320327 its reverse (723023371), we get a palindrome (896343698).

The spelling of 173320327 in words is "one hundred seventy-three million, three hundred twenty thousand, three hundred twenty-seven".