123310001440000 has 360 divisors, whose sum is σ = 313467526532160. Its totient is φ = 48387938304000.

The previous prime is 123310001439967. The next prime is 123310001440001. The reversal of 123310001440000 is 44100013321.

It is a self number, because there is not a number n which added to its sum of digits gives 123310001440000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123310001440001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1763325036 + ... + 1763394964.

It is an arithmetic number, because the mean of its divisors is an integer number (870743129256).

Almost surely, 2^{123310001440000} is an apocalyptic number.

123310001440000 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 123310001440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156733763266080).

123310001440000 is an abundant number, since it is smaller than the sum of its proper divisors (190157525092160).

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

123310001440000 is an equidigital number, since it uses as much as digits as its factorization.

123310001440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70175 (or 70146 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123310001440000 its reverse (44100013321), we get a palindrome (123354101453321).

The spelling of 123310001440000 in words is "one hundred twenty-three trillion, three hundred ten billion, one million, four hundred forty thousand".