123030243230142 has 8 divisors (see below), whose sum is σ = 246060486460296. Its totient is φ = 41010081076712.

The previous prime is 123030243230117. The next prime is 123030243230197. The reversal of 123030243230142 is 241032342030321.

It is a happy number.

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

123030243230142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10252520269173 + ... + 10252520269184.

It is an arithmetic number, because the mean of its divisors is an integer number (30757560807537).

Almost surely, 2^{123030243230142} is an apocalyptic number.

123030243230142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123030243230142 is a wasteful number, since it uses less digits than its factorization.

123030243230142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20505040538362.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 123030243230142 its reverse (241032342030321), we get a palindrome (364062585260463).

The spelling of 123030243230142 in words is "one hundred twenty-three trillion, thirty billion, two hundred forty-three million, two hundred thirty thousand, one hundred forty-two".