230969143 has 2 divisors, whose sum is σ = 230969144. Its totient is φ = 230969142.

The previous prime is 230969131. The next prime is 230969159. The reversal of 230969143 is 341969032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230969143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230969173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115484571 + 115484572.

It is an arithmetic number, because the mean of its divisors is an integer number (115484572).

Almost surely, 2^230969143 is an apocalyptic number.

230969143 is a deficient number, since it is larger than the sum of its proper divisors (1).

230969143 is an equidigital number, since it uses as much as digits as its factorization.

230969143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 230969143 is about 15197.6689988959. The cubic root of 230969143 is about 613.5519220934.

The spelling of 230969143 in words is "two hundred thirty million, nine hundred sixty-nine thousand, one hundred forty-three".