123241030242 has 128 divisors (see below), whose sum is σ = 280575187200. Its totient is φ = 35746636800.

The previous prime is 123241030183. The next prime is 123241030291. The reversal of 123241030242 is 242030142321.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173823384 + ... + 173824092.

It is an arithmetic number, because the mean of its divisors is an integer number (2191993650).

Almost surely, 2^123241030242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123241030242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140287593600).

123241030242 is an abundant number, since it is smaller than the sum of its proper divisors (157334156958).

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

123241030242 is a wasteful number, since it uses less digits than its factorization.

123241030242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 123241030242 its reverse (242030142321), we get a palindrome (365271172563).

The spelling of 123241030242 in words is "one hundred twenty-three billion, two hundred forty-one million, thirty thousand, two hundred forty-two".