231232203 has 12 divisors (see below), whose sum is σ = 343029648. Its totient is φ = 149988240.

The previous prime is 231232159. The next prime is 231232217. The reversal of 231232203 is 302232132.

It is a happy number.

231232203 is a `hidden beast` number, since 231 + 232 + 203 = 666.

231232203 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 231232203 - 2⁸ = 231231947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231232003) 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, 346863 + ... + 347528.

It is an arithmetic number, because the mean of its divisors is an integer number (28585804).

Almost surely, 2^231232203 is an apocalyptic number.

231232203 is a deficient number, since it is larger than the sum of its proper divisors (111797445).

231232203 is a wasteful number, since it uses less digits than its factorization.

231232203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694434 (or 694431 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 231232203 is about 15206.3211527312. The cubic root of 231232203 is about 613.7847666630.

Adding to 231232203 its reverse (302232132), we get a palindrome (533464335).

The spelling of 231232203 in words is "two hundred thirty-one million, two hundred thirty-two thousand, two hundred three".