230000143 has 4 divisors (see below), whose sum is σ = 231285240. Its totient is φ = 228715048.

The previous prime is 230000117. The next prime is 230000153. The reversal of 230000143 is 341000032.

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

It is a cyclic number.

It is not a de Polignac number, because 230000143 - 2⁹ = 229999631 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 (230000153) 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, 642280 + ... + 642637.

It is an arithmetic number, because the mean of its divisors is an integer number (57821310).

Almost surely, 2^230000143 is an apocalyptic number.

230000143 is a deficient number, since it is larger than the sum of its proper divisors (1285097).

230000143 is a wasteful number, since it uses less digits than its factorization.

230000143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285096.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 230000143 is about 15165.7556026728. The cubic root of 230000143 is about 612.6926945011.

Adding to 230000143 its reverse (341000032), we get a palindrome (571000175).

The spelling of 230000143 in words is "two hundred thirty million, one hundred forty-three", and thus it is an aban number.