203427 has 12 divisors (see below), whose sum is σ = 335920. Its totient is φ = 116208.

The previous prime is 203419. The next prime is 203429. The reversal of 203427 is 724302.

It is a happy number.

203427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203427 - 2³ = 203419 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 203427.

It is not an unprimeable number, because it can be changed into a prime (203429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1552 + ... + 1677.

2²⁰³⁴²⁷ is an apocalyptic number.

203427 is a deficient number, since it is larger than the sum of its proper divisors (132493).

203427 is a wasteful number, since it uses less digits than its factorization.

203427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 203427 is about 451.0288239126. The cubic root of 203427 is about 58.8124852011.

Adding to 203427 its reverse (724302), we get a palindrome (927729).

It can be divided in two parts, 203 and 427, that added together give a triangular number (630 = T₃₅).

The spelling of 203427 in words is "two hundred three thousand, four hundred twenty-seven", and thus it is an iban number.