231230203 has 2 divisors, whose sum is σ = 231230204. Its totient is φ = 231230202.

The previous prime is 231230189. The next prime is 231230213. The reversal of 231230203 is 302032132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231230203 - 2¹³ = 231222011 is a prime.

It is not a weakly prime, because it can be changed into another prime (231230213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115615101 + 115615102.

It is an arithmetic number, because the mean of its divisors is an integer number (115615102).

Almost surely, 2^231230203 is an apocalyptic number.

231230203 is a deficient number, since it is larger than the sum of its proper divisors (1).

231230203 is an equidigital number, since it uses as much as digits as its factorization.

231230203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 231230203 is about 15206.2553904635. The cubic root of 231230203 is about 613.7829970521.

Adding to 231230203 its reverse (302032132), we get a palindrome (533262335).

The spelling of 231230203 in words is "two hundred thirty-one million, two hundred thirty thousand, two hundred three".