123242504013105 has 16 divisors (see below), whose sum is σ = 197189397394944. Its totient is φ = 65728871815680.

The previous prime is 123242504013089. The next prime is 123242504013131. The reversal of 123242504013105 is 501310405242321.

It is not a de Polignac number, because 123242504013105 - 2⁴ = 123242504013089 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 26775904 + ... + 31039233.

It is an arithmetic number, because the mean of its divisors is an integer number (12324337337184).

Almost surely, 2^{123242504013105} is an apocalyptic number.

123242504013105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123242504013105 is a deficient number, since it is larger than the sum of its proper divisors (73946893381839).

123242504013105 is a wasteful number, since it uses less digits than its factorization.

123242504013105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57957256.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 123242504013105 its reverse (501310405242321), we get a palindrome (624552909255426).

The spelling of 123242504013105 in words is "one hundred twenty-three trillion, two hundred forty-two billion, five hundred four million, thirteen thousand, one hundred five".