230021143 has 8 divisors (see below), whose sum is σ = 252040320. Its totient is φ = 208186680.

The previous prime is 230021131. The next prime is 230021167. The reversal of 230021143 is 341120032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 230021143 - 2²¹ = 227923991 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 (230021173) 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, 43563 + ... + 48556.

It is an arithmetic number, because the mean of its divisors is an integer number (31505040).

Almost surely, 2^230021143 is an apocalyptic number.

230021143 is a deficient number, since it is larger than the sum of its proper divisors (22019177).

230021143 is a wasteful number, since it uses less digits than its factorization.

230021143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92357.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230021143 is about 15166.4479361517. The cubic root of 230021143 is about 612.7113410910.

Adding to 230021143 its reverse (341120032), we get a palindrome (571141175).

The spelling of 230021143 in words is "two hundred thirty million, twenty-one thousand, one hundred forty-three".