230205142009 has 4 divisors (see below), whose sum is σ = 231168343680. Its totient is φ = 229241940340.

The previous prime is 230205142003. The next prime is 230205142049. The reversal of 230205142009 is 900241502032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230205142009 - 2⁵ = 230205141977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230205142003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481600477 + ... + 481600954.

It is an arithmetic number, because the mean of its divisors is an integer number (57792085920).

Almost surely, 2^230205142009 is an apocalyptic number.

It is an amenable number.

230205142009 is a deficient number, since it is larger than the sum of its proper divisors (963201671).

230205142009 is an equidigital number, since it uses as much as digits as its factorization.

230205142009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963201670.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 230205142009 in words is "two hundred thirty billion, two hundred five million, one hundred forty-two thousand, nine".