123232123300261 has 2 divisors, whose sum is σ = 123232123300262. Its totient is φ = 123232123300260.

The previous prime is 123232123300217. The next prime is 123232123300343. The reversal of 123232123300261 is 162003321232321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111566004875361 + 11666118424900 = 10562481^2 + 3415570^2 .

It is a cyclic number.

It is not a de Polignac number, because 123232123300261 - 2²⁹ = 123231586429349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123232123300661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616061650130 + 61616061650131.

It is an arithmetic number, because the mean of its divisors is an integer number (61616061650131).

Almost surely, 2^{123232123300261} is an apocalyptic number.

It is an amenable number.

123232123300261 is a deficient number, since it is larger than the sum of its proper divisors (1).

123232123300261 is an equidigital number, since it uses as much as digits as its factorization.

123232123300261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 123232123300261 its reverse (162003321232321), we get a palindrome (285235444532582).

The spelling of 123232123300261 in words is "one hundred twenty-three trillion, two hundred thirty-two billion, one hundred twenty-three million, three hundred thousand, two hundred sixty-one".