230143209999 has 4 divisors (see below), whose sum is σ = 306857613336. Its totient is φ = 153428806664.

The previous prime is 230143209971. The next prime is 230143210081. The reversal of 230143209999 is 999902341032.

It is a happy number.

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 230143209999 - 2⁹ = 230143209487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230143204999) 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, 38357201664 + ... + 38357201669.

It is an arithmetic number, because the mean of its divisors is an integer number (76714403334).

Almost surely, 2^230143209999 is an apocalyptic number.

230143209999 is a deficient number, since it is larger than the sum of its proper divisors (76714403337).

230143209999 is an equidigital number, since it uses as much as digits as its factorization.

230143209999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76714403336.

The product of its (nonzero) digits is 944784, while the sum is 51.

The spelling of 230143209999 in words is "two hundred thirty billion, one hundred forty-three million, two hundred nine thousand, nine hundred ninety-nine".