123550513104305 has 48 divisors (see below), whose sum is σ = 175919986169424. Its totient is φ = 83027497512960.

The previous prime is 123550513104283. The next prime is 123550513104377. The reversal of 123550513104305 is 503401315055321.

It can be written as a sum of positive squares in 8 ways, for example, as 1157380065856 + 122393133038449 = 1075816^2 + 11063143^2 .

It is not a de Polignac number, because 123550513104305 - 2¹⁸ = 123550512842161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6039749 + ... + 16839821.

It is an arithmetic number, because the mean of its divisors is an integer number (3664999711863).

Almost surely, 2^{123550513104305} is an apocalyptic number.

It is an amenable number.

123550513104305 is a deficient number, since it is larger than the sum of its proper divisors (52369473065119).

123550513104305 is a wasteful number, since it uses less digits than its factorization.

123550513104305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10801026 (or 10801019 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 123550513104305 its reverse (503401315055321), we get a palindrome (626951828159626).

The spelling of 123550513104305 in words is "one hundred twenty-three trillion, five hundred fifty billion, five hundred thirteen million, one hundred four thousand, three hundred five".