230516024721721 has 4 divisors (see below), whose sum is σ = 230531603301412. Its totient is φ = 230500446142032.

The previous prime is 230516024721713. The next prime is 230516024721727. The reversal of 230516024721721 is 127127420615032.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28334329000000 + 202181695721721 = 5323000^2 + 14219061^2 .

It is a cyclic number.

It is not a de Polignac number, because 230516024721721 - 2³ = 230516024721713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230516024721727) 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, 7789267650 + ... + 7789297243.

It is an arithmetic number, because the mean of its divisors is an integer number (57632900825353).

Almost surely, 2^{230516024721721} is an apocalyptic number.

It is an amenable number.

230516024721721 is a deficient number, since it is larger than the sum of its proper divisors (15578579691).

230516024721721 is a wasteful number, since it uses less digits than its factorization.

230516024721721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15578579690.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 230516024721721 in words is "two hundred thirty trillion, five hundred sixteen billion, twenty-four million, seven hundred twenty-one thousand, seven hundred twenty-one".