230522521165 has 4 divisors (see below), whose sum is σ = 276627025404. Its totient is φ = 184418016928.

The previous prime is 230522521147. The next prime is 230522521181. The reversal of 230522521165 is 561125225032.

230522521165 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.

It can be written as a sum of positive squares in 2 ways, for example, as 49235615881 + 181286905284 = 221891^2 + 425778^2 .

It is a cyclic number.

It is not a de Polignac number, because 230522521165 - 2¹³ = 230522512973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230522521165.

It is a congruent number.

It is an unprimeable number.

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, 23052252112 + ... + 23052252121.

It is an arithmetic number, because the mean of its divisors is an integer number (69156756351).

Almost surely, 2^230522521165 is an apocalyptic number.

It is an amenable number.

230522521165 is a deficient number, since it is larger than the sum of its proper divisors (46104504239).

230522521165 is an equidigital number, since it uses as much as digits as its factorization.

230522521165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46104504238.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 230522521165 its reverse (561125225032), we get a palindrome (791647746197).

The spelling of 230522521165 in words is "two hundred thirty billion, five hundred twenty-two million, five hundred twenty-one thousand, one hundred sixty-five".