123313344120 has 384 divisors, whose sum is σ = 425782656000. Its totient is φ = 30903290880.

The previous prime is 123313344101. The next prime is 123313344137. The reversal of 123313344120 is 21443313321.

It is a happy number.

123313344120 is a `hidden beast` number, since 1 + 2 + 3 + 313 + 344 + 1 + 2 + 0 = 666.

123313344120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 65906785 + ... + 65908655.

It is an arithmetic number, because the mean of its divisors is an integer number (1108809000).

Almost surely, 2^123313344120 is an apocalyptic number.

123313344120 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 123313344120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212891328000).

123313344120 is an abundant number, since it is smaller than the sum of its proper divisors (302469311880).

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

123313344120 is a wasteful number, since it uses less digits than its factorization.

123313344120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2076 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 123313344120 its reverse (21443313321), we get a palindrome (144756657441).

The spelling of 123313344120 in words is "one hundred twenty-three billion, three hundred thirteen million, three hundred forty-four thousand, one hundred twenty".