123321342311177 has 2 divisors, whose sum is σ = 123321342311178. Its totient is φ = 123321342311176.

The previous prime is 123321342311131. The next prime is 123321342311183. The reversal of 123321342311177 is 771113243123321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97844126441161 + 25477215870016 = 9891619^2 + 5047496^2 .

It is a cyclic number.

It is not a de Polignac number, because 123321342311177 - 2⁸ = 123321342310921 is a prime.

It is not a weakly prime, because it can be changed into another prime (123321342311077) 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, 61660671155588 + 61660671155589.

It is an arithmetic number, because the mean of its divisors is an integer number (61660671155589).

Almost surely, 2^{123321342311177} is an apocalyptic number.

It is an amenable number.

123321342311177 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321342311177 is an equidigital number, since it uses as much as digits as its factorization.

123321342311177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

Adding to 123321342311177 its reverse (771113243123321), we get a palindrome (894434585434498).

The spelling of 123321342311177 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, three hundred forty-two million, three hundred eleven thousand, one hundred seventy-seven".