123242442340242 has 16 divisors (see below), whose sum is σ = 246492045980352. Its totient is φ = 41079620563440.

The previous prime is 123242442340229. The next prime is 123242442340291. The reversal of 123242442340242 is 242043244242321.

It is a self number, because there is not a number n which added to its sum of digits gives 123242442340242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298163758 + ... + 298576809.

It is an arithmetic number, because the mean of its divisors is an integer number (15405752873772).

Almost surely, 2^{123242442340242} is an apocalyptic number.

123242442340242 is an abundant number, since it is smaller than the sum of its proper divisors (123249603640110).

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

123242442340242 is a wasteful number, since it uses less digits than its factorization.

123242442340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596774993.

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 123242442340242 its reverse (242043244242321), we get a palindrome (365285686582563).

The spelling of 123242442340242 in words is "one hundred twenty-three trillion, two hundred forty-two billion, four hundred forty-two million, three hundred forty thousand, two hundred forty-two".