230232313221121 has 4 divisors (see below), whose sum is σ = 230234294870100. Its totient is φ = 230230331572144.

The previous prime is 230232313221103. The next prime is 230232313221217. The reversal of 230232313221121 is 121122313232032.

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 91904605982721 + 138327707238400 = 9586689^2 + 11761280^2 .

It is a cyclic number.

It is not a de Polignac number, because 230232313221121 - 2⁷ = 230232313220993 is a prime.

It is a super-2 number, since 2×230232313221121² (a number of 30 digits) contains 22 as substring.

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 230232313221121.

It is not an unprimeable number, because it can be changed into a prime (230232313921121) 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, 990650206 + ... + 990882583.

It is an arithmetic number, because the mean of its divisors is an integer number (57558573717525).

Almost surely, 2^{230232313221121} is an apocalyptic number.

It is an amenable number.

230232313221121 is a deficient number, since it is larger than the sum of its proper divisors (1981648979).

230232313221121 is a wasteful number, since it uses less digits than its factorization.

230232313221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981648978.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 230232313221121 its reverse (121122313232032), we get a palindrome (351354626453153).

The spelling of 230232313221121 in words is "two hundred thirty trillion, two hundred thirty-two billion, three hundred thirteen million, two hundred twenty-one thousand, one hundred twenty-one".