163203 has 4 divisors (see below), whose sum is σ = 217608. Its totient is φ = 108800.

The previous prime is 163199. The next prime is 163211. The reversal of 163203 is 302361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302361 = 3 ⋅100787.

It is a cyclic number.

It is not a de Polignac number, because 163203 - 2² = 163199 is a prime.

It is a D-number.

163203 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (163223) 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, 27198 + ... + 27203.

It is an arithmetic number, because the mean of its divisors is an integer number (54402).

2¹⁶³²⁰³ is an apocalyptic number.

163203 is a deficient number, since it is larger than the sum of its proper divisors (54405).

163203 is an equidigital number, since it uses as much as digits as its factorization.

163203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54404.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 163203 is about 403.9839105707. The cubic root of 163203 is about 54.6482231721.

Adding to 163203 its reverse (302361), we get a palindrome (465564).

The spelling of 163203 in words is "one hundred sixty-three thousand, two hundred three".