231203 has 4 divisors (see below), whose sum is σ = 264240. Its totient is φ = 198168.

The previous prime is 231197. The next prime is 231223. The reversal of 231203 is 302132.

231203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231203 - 2¹⁶ = 165667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231223) 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, 16508 + ... + 16521.

It is an arithmetic number, because the mean of its divisors is an integer number (66060).

2²³¹²⁰³ is an apocalyptic number.

231203 is a deficient number, since it is larger than the sum of its proper divisors (33037).

231203 is an equidigital number, since it uses as much as digits as its factorization.

231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33036.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 231203 is about 480.8357307855. The cubic root of 231203 is about 61.3758926676.

Adding to 231203 its reverse (302132), we get a palindrome (533335).

It can be divided in two parts, 231 and 203, that added together give a palindrome (434).

The spelling of 231203 in words is "two hundred thirty-one thousand, two hundred three".