163323 has 16 divisors (see below), whose sum is σ = 253440. Its totient is φ = 103752.

The previous prime is 163321. The next prime is 163327. The reversal of 163323 is 323361.

It is a happy number.

It is not a de Polignac number, because 163323 - 2¹ = 163321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163296 and 163305.

It is not an unprimeable number, because it can be changed into a prime (163321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (15840).

2¹⁶³³²³ is an apocalyptic number.

163323 is a deficient number, since it is larger than the sum of its proper divisors (90117).

163323 is a wasteful number, since it uses less digits than its factorization.

163323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 289 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 163323 is about 404.1324040460. The cubic root of 163323 is about 54.6616138168.

Adding to 163323 its reverse (323361), we get a palindrome (486684).

The spelling of 163323 in words is "one hundred sixty-three thousand, three hundred twenty-three".