162403 has 6 divisors (see below), whose sum is σ = 170324. Its totient is φ = 154836.

The previous prime is 162391. The next prime is 162413. The reversal of 162403 is 304261.

162403 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 162403 - 2¹³ = 154211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376 + ... + 682.

162403 is a Friedman number, since it can be written as (403*1)^2-6, using all its digits and the basic arithmetic operations.

2¹⁶²⁴⁰³ is an apocalyptic number.

162403 is a deficient number, since it is larger than the sum of its proper divisors (7921).

162403 is an equidigital number, since it uses as much as digits as its factorization.

162403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 162403 is about 402.9925557625. The cubic root of 162403 is about 54.5587840319.

Adding to 162403 its reverse (304261), we get a palindrome (466664).

It can be divided in two parts, 162 and 403, that added together give a palindrome (565).

The spelling of 162403 in words is "one hundred sixty-two thousand, four hundred three".