13423542204135 has 128 divisors (see below), whose sum is σ = 27162003456000. Its totient is φ = 5515795777536.

The previous prime is 13423542204109. The next prime is 13423542204139. The reversal of 13423542204135 is 53140224532431.

It is a happy number.

It is not a de Polignac number, because 13423542204135 - 2⁹ = 13423542203623 is a prime.

It is a super-2 number, since 2×13423542204135² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13423542204093 and 13423542204102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423542204139) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26144116 + ... + 26652614.

It is an arithmetic number, because the mean of its divisors is an integer number (212203152000).

Almost surely, 2^{13423542204135} is an apocalyptic number.

13423542204135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13423542204135 is an abundant number, since it is smaller than the sum of its proper divisors (13738461251865).

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

13423542204135 is a wasteful number, since it uses less digits than its factorization.

13423542204135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509197.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 13423542204135 its reverse (53140224532431), we get a palindrome (66563766736566).

The spelling of 13423542204135 in words is "thirteen trillion, four hundred twenty-three billion, five hundred forty-two million, two hundred four thousand, one hundred thirty-five".