13432544523431 has 32 divisors (see below), whose sum is σ = 15580381777920. Its totient is φ = 11452151088000.

The previous prime is 13432544523421. The next prime is 13432544523451.

13432544523431 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 13432544523431 - 2³⁴ = 13415364654247 is a prime.

It is a super-2 number, since 2×13432544523431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13432544523421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127382330 + ... + 127487736.

It is an arithmetic number, because the mean of its divisors is an integer number (486886930560).

Almost surely, 2^{13432544523431} is an apocalyptic number.

13432544523431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13432544523431 is a deficient number, since it is larger than the sum of its proper divisors (2147837254489).

13432544523431 is a wasteful number, since it uses less digits than its factorization.

13432544523431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111575.

The product of its digits is 2073600, while the sum is 44.

It can be divided in two parts, 1343254 and 4523431, that added together give a palindrome (5866685).

The spelling of 13432544523431 in words is "thirteen trillion, four hundred thirty-two billion, five hundred forty-four million, five hundred twenty-three thousand, four hundred thirty-one".