164323 has 4 divisors (see below), whose sum is σ = 166648. Its totient is φ = 162000.

The previous prime is 164321. The next prime is 164341. The reversal of 164323 is 323461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323461 = 107 ⋅3023.

It is a cyclic number.

It is not a de Polignac number, because 164323 - 2¹ = 164321 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164321) 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, 1053 + ... + 1198.

It is an arithmetic number, because the mean of its divisors is an integer number (41662).

2¹⁶⁴³²³ is an apocalyptic number.

164323 is a deficient number, since it is larger than the sum of its proper divisors (2325).

164323 is an equidigital number, since it uses as much as digits as its factorization.

164323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324.

The product of its digits is 432, while the sum is 19.

The square root of 164323 is about 405.3677342858. The cubic root of 164323 is about 54.7729482694.

Adding to 164323 its reverse (323461), we get a palindrome (487784).

The spelling of 164323 in words is "one hundred sixty-four thousand, three hundred twenty-three".