123113305254129 has 8 divisors (see below), whose sum is σ = 164151139571520. Its totient is φ = 82075503886416.

The previous prime is 123113305254113. The next prime is 123113305254133. The reversal of 123113305254129 is 921452503311321.

It is a happy number.

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

It is not a de Polignac number, because 123113305254129 - 2⁴ = 123113305254113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123113305254169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468652 + ... + 15884610.

It is an arithmetic number, because the mean of its divisors is an integer number (20518892446440).

Almost surely, 2^{123113305254129} is an apocalyptic number.

It is an amenable number.

123113305254129 is a deficient number, since it is larger than the sum of its proper divisors (41037834317391).

123113305254129 is a wasteful number, since it uses less digits than its factorization.

123113305254129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16474839.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 123113305254129 in words is "one hundred twenty-three trillion, one hundred thirteen billion, three hundred five million, two hundred fifty-four thousand, one hundred twenty-nine".