13423542313555 has 16 divisors (see below), whose sum is σ = 17574317466624. Its totient is φ = 9761642752480.

The previous prime is 13423542313463. The next prime is 13423542313567. The reversal of 13423542313555 is 55531324532431.

It is not a de Polignac number, because 13423542313555 - 2⁷ = 13423542313427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11087749 + ... + 12238678.

It is an arithmetic number, because the mean of its divisors is an integer number (1098394841664).

Almost surely, 2^{13423542313555} is an apocalyptic number.

13423542313555 is a deficient number, since it is larger than the sum of its proper divisors (4150775153069).

13423542313555 is a wasteful number, since it uses less digits than its factorization.

13423542313555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23336906.

The product of its digits is 3240000, while the sum is 46.

Adding to 13423542313555 its reverse (55531324532431), we get a palindrome (68954866845986).

The spelling of 13423542313555 in words is "thirteen trillion, four hundred twenty-three billion, five hundred forty-two million, three hundred thirteen thousand, five hundred fifty-five".