230203143 has 6 divisors (see below), whose sum is σ = 332515664. Its totient is φ = 153468756.

The previous prime is 230203109. The next prime is 230203163. The reversal of 230203143 is 341302032.

It is not a de Polignac number, because 230203143 - 2⁶ = 230203079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230203163) 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, 12789055 + ... + 12789072.

Almost surely, 2^230203143 is an apocalyptic number.

230203143 is a deficient number, since it is larger than the sum of its proper divisors (102312521).

230203143 is a wasteful number, since it uses less digits than its factorization.

230203143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25578133 (or 25578130 counting only the distinct ones).

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

The square root of 230203143 is about 15172.4468362885. The cubic root of 230203143 is about 612.8728973499.

Adding to 230203143 its reverse (341302032), we get a palindrome (571505175).

The spelling of 230203143 in words is "two hundred thirty million, two hundred three thousand, one hundred forty-three".