230234664521 has 4 divisors (see below), whose sum is σ = 230551356672. Its totient is φ = 229917972372.

The previous prime is 230234664511. The next prime is 230234664523. The reversal of 230234664521 is 125466432032.

230234664521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-230234664521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230234664523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158344985 + ... + 158346438.

It is an arithmetic number, because the mean of its divisors is an integer number (57637839168).

Almost surely, 2^230234664521 is an apocalyptic number.

It is an amenable number.

230234664521 is a deficient number, since it is larger than the sum of its proper divisors (316692151).

230234664521 is an equidigital number, since it uses as much as digits as its factorization.

230234664521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316692150.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 230234664521 in words is "two hundred thirty billion, two hundred thirty-four million, six hundred sixty-four thousand, five hundred twenty-one".