13423540435455 has 64 divisors (see below), whose sum is σ = 23297396774400. Its totient is φ = 6573273108480.

The previous prime is 13423540435453. The next prime is 13423540435577. The reversal of 13423540435455 is 55453404532431.

It is not a de Polignac number, because 13423540435455 - 2¹ = 13423540435453 is a prime.

It is a super-2 number, since 2×13423540435455² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423540435453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 177477636 + ... + 177553254.

It is an arithmetic number, because the mean of its divisors is an integer number (364021824600).

Almost surely, 2^{13423540435455} is an apocalyptic number.

13423540435455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13423540435455 is a deficient number, since it is larger than the sum of its proper divisors (9873856338945).

13423540435455 is a wasteful number, since it uses less digits than its factorization.

13423540435455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92664.

The product of its (nonzero) digits is 8640000, while the sum is 48.

Adding to 13423540435455 its reverse (55453404532431), we get a palindrome (68876944967886).

The spelling of 13423540435455 in words is "thirteen trillion, four hundred twenty-three billion, five hundred forty million, four hundred thirty-five thousand, four hundred fifty-five".