123413004004240 has 80 divisors (see below), whose sum is σ = 289006695512640. Its totient is φ = 49008838832640.

The previous prime is 123413004004223. The next prime is 123413004004247. The reversal of 123413004004240 is 42400400314321.

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

It is a junction number, because it is equal to n+sod(n) for n = 123413004004199 and 123413004004208.

It is not an unprimeable number, because it can be changed into a prime (123413004004247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544177270 + ... + 544404010.

It is an arithmetic number, because the mean of its divisors is an integer number (3612583693908).

Almost surely, 2^{123413004004240} is an apocalyptic number.

123413004004240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123413004004240 is an abundant number, since it is smaller than the sum of its proper divisors (165593691508400).

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

123413004004240 is a wasteful number, since it uses less digits than its factorization.

123413004004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275840 (or 275834 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 123413004004240 its reverse (42400400314321), we get a palindrome (165813404318561).

The spelling of 123413004004240 in words is "one hundred twenty-three trillion, four hundred thirteen billion, four million, four thousand, two hundred forty".