230235252143 has 4 divisors (see below), whose sum is σ = 247945656168. Its totient is φ = 212524848120.

The previous prime is 230235252089. The next prime is 230235252151. The reversal of 230235252143 is 341252532032.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-230235252143 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 (230235257143) 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, 8855201993 + ... + 8855202018.

It is an arithmetic number, because the mean of its divisors is an integer number (61986414042).

Almost surely, 2^230235252143 is an apocalyptic number.

230235252143 is a deficient number, since it is larger than the sum of its proper divisors (17710404025).

230235252143 is a wasteful number, since it uses less digits than its factorization.

230235252143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17710404024.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 230235252143 its reverse (341252532032), we get a palindrome (571487784175).

The spelling of 230235252143 in words is "two hundred thirty billion, two hundred thirty-five million, two hundred fifty-two thousand, one hundred forty-three".