230020143 has 8 divisors (see below), whose sum is σ = 307066800. Its totient is φ = 153160128.

The previous prime is 230020139. The next prime is 230020151. The reversal of 230020143 is 341020032.

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

It is not a de Polignac number, because 230020143 - 2² = 230020139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230020103) 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 7 ways as a sum of consecutive naturals, for example, 43758 + ... + 48731.

It is an arithmetic number, because the mean of its divisors is an integer number (38383350).

Almost surely, 2^230020143 is an apocalyptic number.

230020143 is a deficient number, since it is larger than the sum of its proper divisors (77046657).

230020143 is an equidigital number, since it uses as much as digits as its factorization.

230020143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93321.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 230020143 is about 15166.4149686074. The cubic root of 230020143 is about 612.7104531839.

Adding to 230020143 its reverse (341020032), we get a palindrome (571040175).

The spelling of 230020143 in words is "two hundred thirty million, twenty thousand, one hundred forty-three".