230033143 has 4 divisors (see below), whose sum is σ = 240034608. Its totient is φ = 220031680.

The previous prime is 230033131. The next prime is 230033161. The reversal of 230033143 is 341330032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230033143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230033143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230033123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000698 + ... + 5000743.

It is an arithmetic number, because the mean of its divisors is an integer number (60008652).

Almost surely, 2^230033143 is an apocalyptic number.

230033143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

230033143 is a deficient number, since it is larger than the sum of its proper divisors (10001465).

230033143 is a wasteful number, since it uses less digits than its factorization.

230033143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001464.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 230033143 is about 15166.8435410932. The cubic root of 230033143 is about 612.7219957757.

Adding to 230033143 its reverse (341330032), we get a palindrome (571363175).

The spelling of 230033143 in words is "two hundred thirty million, thirty-three thousand, one hundred forty-three".