123352321521144 has 16 divisors (see below), whose sum is σ = 308380803802920. Its totient is φ = 41117440507040.

The previous prime is 123352321521127. The next prime is 123352321521151. The reversal of 123352321521144 is 441125123253321.

It is a happy number.

It is a congruent number.

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, 2569840031667 + ... + 2569840031714.

Almost surely, 2^{123352321521144} is an apocalyptic number.

It is an amenable number.

123352321521144 is an abundant number, since it is smaller than the sum of its proper divisors (185028482281776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123352321521144 is a wasteful number, since it uses less digits than its factorization.

123352321521144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139680063390 (or 5139680063386 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

Adding to 123352321521144 its reverse (441125123253321), we get a palindrome (564477444774465).

The spelling of 123352321521144 in words is "one hundred twenty-three trillion, three hundred fifty-two billion, three hundred twenty-one million, five hundred twenty-one thousand, one hundred forty-four".