162303 has 4 divisors (see below), whose sum is σ = 216408. Its totient is φ = 108200.

The previous prime is 162293. The next prime is 162343. The reversal of 162303 is 303261.

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

It is a cyclic number.

It is not a de Polignac number, because 162303 - 2⁴ = 162287 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162343) 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, 27048 + ... + 27053.

It is an arithmetic number, because the mean of its divisors is an integer number (54102).

2¹⁶²³⁰³ is an apocalyptic number.

162303 is a deficient number, since it is larger than the sum of its proper divisors (54105).

162303 is an equidigital number, since it uses as much as digits as its factorization.

162303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54104.

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

The square root of 162303 is about 402.8684648865. The cubic root of 162303 is about 54.5475835028.

Adding to 162303 its reverse (303261), we get a palindrome (465564).

It can be divided in two parts, 162 and 303, that added together give a triangular number (465 = T₃₀).

The spelling of 162303 in words is "one hundred sixty-two thousand, three hundred three".