123354220054401 has 24 divisors (see below), whose sum is σ = 212485944278400. Its totient is φ = 67423424625216.

The previous prime is 123354220054399. The next prime is 123354220054441. The reversal of 123354220054401 is 104450022453321.

It is a happy number.

123354220054401 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 5 + 4 + 2 + 200 + 5 + 440 + 1 = 666.

It is not a de Polignac number, because 123354220054401 - 2¹ = 123354220054399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123354220054441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42565291876 + ... + 42565294773.

It is an arithmetic number, because the mean of its divisors is an integer number (8853581011600).

Almost surely, 2^{123354220054401} is an apocalyptic number.

It is an amenable number.

123354220054401 is a deficient number, since it is larger than the sum of its proper divisors (89131724223999).

123354220054401 is a wasteful number, since it uses less digits than its factorization.

123354220054401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85130586685 (or 85130586682 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 123354220054401 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, two hundred twenty million, fifty-four thousand, four hundred one".