123242033241140 has 144 divisors (see below), whose sum is σ = 284996484823680. Its totient is φ = 44733213676800.

The previous prime is 123242033241037. The next prime is 123242033241149. The reversal of 123242033241140 is 41142330242321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123242033241097 and 123242033241106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123242033241149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5059392281 + ... + 5059416639.

It is an arithmetic number, because the mean of its divisors is an integer number (1979142255720).

Almost surely, 2^{123242033241140} is an apocalyptic number.

123242033241140 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 123242033241140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142498242411840).

123242033241140 is an abundant number, since it is smaller than the sum of its proper divisors (161754451582540).

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

123242033241140 is a wasteful number, since it uses less digits than its factorization.

123242033241140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28134 (or 28121 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 123242033241140 its reverse (41142330242321), we get a palindrome (164384363483461).

The spelling of 123242033241140 in words is "one hundred twenty-three trillion, two hundred forty-two billion, thirty-three million, two hundred forty-one thousand, one hundred forty".