123301043142 has 16 divisors (see below), whose sum is σ = 249723632640. Its totient is φ = 40580089992.

The previous prime is 123301043123. The next prime is 123301043207. The reversal of 123301043142 is 241340103321.

It is a happy number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 130063918 + ... + 130064865.

It is an arithmetic number, because the mean of its divisors is an integer number (15607727040).

Almost surely, 2^123301043142 is an apocalyptic number.

123301043142 is an abundant number, since it is smaller than the sum of its proper divisors (126422589498).

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

123301043142 is a wasteful number, since it uses less digits than its factorization.

123301043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260128867.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123301043142 its reverse (241340103321), we get a palindrome (364641146463).

The spelling of 123301043142 in words is "one hundred twenty-three billion, three hundred one million, forty-three thousand, one hundred forty-two".