165323 has 4 divisors (see below), whose sum is σ = 170688. Its totient is φ = 159960.

The previous prime is 165317. The next prime is 165331. The reversal of 165323 is 323561.

165323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 165323 - 2¹⁰ = 164299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165295 and 165304.

It is not an unprimeable number, because it can be changed into a prime (165313) 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, 2636 + ... + 2697.

It is an arithmetic number, because the mean of its divisors is an integer number (42672).

2¹⁶⁵³²³ is an apocalyptic number.

165323 is a deficient number, since it is larger than the sum of its proper divisors (5365).

165323 is an equidigital number, since it uses as much as digits as its factorization.

165323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364.

The product of its digits is 540, while the sum is 20.

The square root of 165323 is about 406.5993113619. The cubic root of 165323 is about 54.8838319438.

Adding to 165323 its reverse (323561), we get a palindrome (488884).

The spelling of 165323 in words is "one hundred sixty-five thousand, three hundred twenty-three".