123244340031242 has 8 divisors (see below), whose sum is σ = 184866557533536. Its totient is φ = 61622154186732.

The previous prime is 123244340031233. The next prime is 123244340031247. The reversal of 123244340031242 is 242130043442321.

It is a happy number.

123244340031242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (123244340031247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9351413 + ... + 18273959.

It is an arithmetic number, because the mean of its divisors is an integer number (23108319691692).

Almost surely, 2^{123244340031242} is an apocalyptic number.

123244340031242 is a deficient number, since it is larger than the sum of its proper divisors (61622217502294).

123244340031242 is an equidigital number, since it uses as much as digits as its factorization.

123244340031242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15828892.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 123244340031242 its reverse (242130043442321), we get a palindrome (365374383473563).

The spelling of 123244340031242 in words is "one hundred twenty-three trillion, two hundred forty-four billion, three hundred forty million, thirty-one thousand, two hundred forty-two".