230210132123261 has 2 divisors, whose sum is σ = 230210132123262. Its totient is φ = 230210132123260.

The previous prime is 230210132123201. The next prime is 230210132123339. The reversal of 230210132123261 is 162321231012032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146560925875225 + 83649206248036 = 12106235^2 + 9145994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230210132123261 is a prime.

It is a super-3 number, since 3×230210132123261³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230210132123201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115105066061630 + 115105066061631.

It is an arithmetic number, because the mean of its divisors is an integer number (115105066061631).

Almost surely, 2^{230210132123261} is an apocalyptic number.

It is an amenable number.

230210132123261 is a deficient number, since it is larger than the sum of its proper divisors (1).

230210132123261 is an equidigital number, since it uses as much as digits as its factorization.

230210132123261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 230210132123261 its reverse (162321231012032), we get a palindrome (392531363135293).

The spelling of 230210132123261 in words is "two hundred thirty trillion, two hundred ten billion, one hundred thirty-two million, one hundred twenty-three thousand, two hundred sixty-one".