123232123233913 has 2 divisors, whose sum is σ = 123232123233914. Its totient is φ = 123232123233912.

The previous prime is 123232123233911. The next prime is 123232123233937. The reversal of 123232123233913 is 319332321232321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102812542681104 + 20419580552809 = 10139652^2 + 4518803^2 .

It is a cyclic number.

It is not a de Polignac number, because 123232123233913 - 2¹ = 123232123233911 is a prime.

It is a super-3 number, since 3×123232123233913³ (a number of 43 digits) contains 333 as substring.

Together with 123232123233911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (123232123233911) 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, 61616061616956 + 61616061616957.

It is an arithmetic number, because the mean of its divisors is an integer number (61616061616957).

Almost surely, 2^{123232123233913} is an apocalyptic number.

It is an amenable number.

123232123233913 is a deficient number, since it is larger than the sum of its proper divisors (1).

123232123233913 is an equidigital number, since it uses as much as digits as its factorization.

123232123233913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 40.

The spelling of 123232123233913 in words is "one hundred twenty-three trillion, two hundred thirty-two billion, one hundred twenty-three million, two hundred thirty-three thousand, nine hundred thirteen".