123542525305351 has 16 divisors (see below), whose sum is σ = 133078657840128. Its totient is φ = 114269027286400.

The previous prime is 123542525305327. The next prime is 123542525305363. The reversal of 123542525305351 is 153503525245321.

It is a cyclic number.

It is not a de Polignac number, because 123542525305351 - 2⁵ = 123542525305319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123542525305051) 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 15 ways as a sum of consecutive naturals, for example, 164182555 + ... + 164933308.

It is an arithmetic number, because the mean of its divisors is an integer number (8317416115008).

Almost surely, 2^{123542525305351} is an apocalyptic number.

123542525305351 is a deficient number, since it is larger than the sum of its proper divisors (9536132534777).

123542525305351 is a wasteful number, since it uses less digits than its factorization.

123542525305351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329116262.

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 123542525305351 in words is "one hundred twenty-three trillion, five hundred forty-two billion, five hundred twenty-five million, three hundred five thousand, three hundred fifty-one".