13423512422205 has 24 divisors (see below), whose sum is σ = 23834919621240. Its totient is φ = 6984591828480.

The previous prime is 13423512422191. The next prime is 13423512422251. The reversal of 13423512422205 is 50222421532431.

13423512422205 is a `hidden beast` number, since 1 + 3 + 4 + 23 + 5 + 1 + 2 + 422 + 205 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 274976481924 + 13148535940281 = 524382^2 + 3626091^2 .

It is not a de Polignac number, because 13423512422205 - 2²⁷ = 13423378204477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13423512422205.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3637806400 + ... + 3637810089.

It is an arithmetic number, because the mean of its divisors is an integer number (993121650885).

Almost surely, 2^{13423512422205} is an apocalyptic number.

13423512422205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13423512422205 is a deficient number, since it is larger than the sum of its proper divisors (10411407199035).

13423512422205 is a wasteful number, since it uses less digits than its factorization.

13423512422205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275616541 (or 7275616538 counting only the distinct ones).

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

Adding to 13423512422205 its reverse (50222421532431), we get a palindrome (63645933954636).

The spelling of 13423512422205 in words is "thirteen trillion, four hundred twenty-three billion, five hundred twelve million, four hundred twenty-two thousand, two hundred five".