123320321130000 has 200 divisors, whose sum is σ = 398117374784800. Its totient is φ = 32883524352000.

The previous prime is 123320321129987. The next prime is 123320321130043. The reversal of 123320321130000 is 31123023321.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 565661016 + ... + 565878984.

It is an arithmetic number, because the mean of its divisors is an integer number (1990586873924).

Almost surely, 2^{123320321130000} is an apocalyptic number.

123320321130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123320321130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199058687392400).

123320321130000 is an abundant number, since it is smaller than the sum of its proper divisors (274797053654800).

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

123320321130000 is a wasteful number, since it uses less digits than its factorization.

123320321130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236859 (or 236838 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123320321130000 its reverse (31123023321), we get a palindrome (123351444153321).

The spelling of 123320321130000 in words is "one hundred twenty-three trillion, three hundred twenty billion, three hundred twenty-one million, one hundred thirty thousand".