230440143 has 8 divisors (see below), whose sum is σ = 317165056. Its totient is φ = 148671000.

The previous prime is 230440123. The next prime is 230440211. The reversal of 230440143 is 341044032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230440143 - 2⁹ = 230439631 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 (230440123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238833 + ... + 1239018.

It is an arithmetic number, because the mean of its divisors is an integer number (39645632).

Almost surely, 2^230440143 is an apocalyptic number.

230440143 is a deficient number, since it is larger than the sum of its proper divisors (86724913).

230440143 is a wasteful number, since it uses less digits than its factorization.

230440143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477885.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 230440143 is about 15180.2550373833. The cubic root of 230440143 is about 613.0831479671.

Adding to 230440143 its reverse (341044032), we get a palindrome (571484175).

The spelling of 230440143 in words is "two hundred thirty million, four hundred forty thousand, one hundred forty-three".