123405530054341 has 4 divisors (see below), whose sum is σ = 123506931477132. Its totient is φ = 123304128631552.

The previous prime is 123405530054311. The next prime is 123405530054357. The reversal of 123405530054341 is 143450035504321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58023411636100 + 65382118418241 = 7617310^2 + 8085921^2 .

It is a cyclic number.

It is not a de Polignac number, because 123405530054341 - 2⁴¹ = 121206506798789 is a prime.

It is a super-3 number, since 3×123405530054341³ (a number of 43 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123405530054294 and 123405530054303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123405530054311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50700709570 + ... + 50700712003.

It is an arithmetic number, because the mean of its divisors is an integer number (30876732869283).

Almost surely, 2^{123405530054341} is an apocalyptic number.

It is an amenable number.

123405530054341 is a deficient number, since it is larger than the sum of its proper divisors (101401422791).

123405530054341 is a wasteful number, since it uses less digits than its factorization.

123405530054341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101401422790.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 123405530054341 its reverse (143450035504321), we get a palindrome (266855565558662).

The spelling of 123405530054341 in words is "one hundred twenty-three trillion, four hundred five billion, five hundred thirty million, fifty-four thousand, three hundred forty-one".