123042502242 has 48 divisors (see below), whose sum is σ = 290929478112. Its totient is φ = 37272562560.

The previous prime is 123042502241. The next prime is 123042502273. The reversal of 123042502242 is 242205240321.

123042502242 is a `hidden beast` number, since 1 + 230 + 425 + 0 + 2 + 2 + 4 + 2 = 666.

123042502242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (123042502241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466353 + ... + 680859.

It is an arithmetic number, because the mean of its divisors is an integer number (6061030794).

Almost surely, 2^123042502242 is an apocalyptic number.

123042502242 is an abundant number, since it is smaller than the sum of its proper divisors (167886975870).

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

123042502242 is a wasteful number, since it uses less digits than its factorization.

123042502242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217423 (or 217420 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 123042502242 its reverse (242205240321), we get a palindrome (365247742563).

The spelling of 123042502242 in words is "one hundred twenty-three billion, forty-two million, five hundred two thousand, two hundred forty-two".