123354225435546 has 144 divisors (see below), whose sum is σ = 311543719591104. Its totient is φ = 35171474986368.

The previous prime is 123354225435533. The next prime is 123354225435587. The reversal of 123354225435546 is 645534522453321.

123354225435546 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 5 + 4 + 2 + 2 + 543 + 55 + 46 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 123354225435492 and 123354225435501.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1502940766 + ... + 1503022838.

It is an arithmetic number, because the mean of its divisors is an integer number (2163498052716).

Almost surely, 2^{123354225435546} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123354225435546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155771859795552).

123354225435546 is an abundant number, since it is smaller than the sum of its proper divisors (188189494155558).

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

123354225435546 is a wasteful number, since it uses less digits than its factorization.

123354225435546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85585 (or 85575 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 54.

Adding to 123354225435546 its reverse (645534522453321), we get a palindrome (768888747888867).

The spelling of 123354225435546 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, two hundred twenty-five million, four hundred thirty-five thousand, five hundred forty-six".