123321342311108 has 12 divisors (see below), whose sum is σ = 215816804910252. Its totient is φ = 61659398051040.

The previous prime is 123321342311077. The next prime is 123321342311131. The reversal of 123321342311108 is 801113243123321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76593618161284 + 46727724149824 = 8751778^2 + 6835768^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 318058163 + ... + 318445658.

It is an arithmetic number, because the mean of its divisors is an integer number (17984733742521).

Almost surely, 2^{123321342311108} is an apocalyptic number.

It is an amenable number.

123321342311108 is a deficient number, since it is larger than the sum of its proper divisors (92495462599144).

123321342311108 is a wasteful number, since it uses less digits than its factorization.

123321342311108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636552262 (or 636552260 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 123321342311108 its reverse (801113243123321), we get a palindrome (924434585434429).

The spelling of 123321342311108 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, three hundred forty-two million, three hundred eleven thousand, one hundred eight".