173312093 has 4 divisors (see below), whose sum is σ = 183506940. Its totient is φ = 163117248.

The previous prime is 173312081. The next prime is 173312141. The reversal of 173312093 is 390213371.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137288089 + 36024004 = 11717^2 + 6002^2 .

It is a cyclic number.

It is not a de Polignac number, because 173312093 - 2¹² = 173307997 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 (173312393) 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, 5097398 + ... + 5097431.

It is an arithmetic number, because the mean of its divisors is an integer number (45876735).

Almost surely, 2^173312093 is an apocalyptic number.

It is an amenable number.

173312093 is a deficient number, since it is larger than the sum of its proper divisors (10194847).

173312093 is a wasteful number, since it uses less digits than its factorization.

173312093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10194846.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 173312093 is about 13164.8050878089. The cubic root of 173312093 is about 557.5403315617.

The spelling of 173312093 in words is "one hundred seventy-three million, three hundred twelve thousand, ninety-three".