123314340044240 has 80 divisors (see below), whose sum is σ = 287196218265600. Its totient is φ = 49241376737280.

The previous prime is 123314340044167. The next prime is 123314340044257. The reversal of 123314340044240 is 42440043413321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 123314340044240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1856243825 + ... + 1856310255.

It is an arithmetic number, because the mean of its divisors is an integer number (3589952728320).

Almost surely, 2^{123314340044240} is an apocalyptic number.

123314340044240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123314340044240 is an abundant number, since it is smaller than the sum of its proper divisors (163881878221360).

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

123314340044240 is a wasteful number, since it uses less digits than its factorization.

123314340044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105780 (or 105774 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 123314340044240 its reverse (42440043413321), we get a palindrome (165754383457561).

The spelling of 123314340044240 in words is "one hundred twenty-three trillion, three hundred fourteen billion, three hundred forty million, forty-four thousand, two hundred forty".