13432423431 has 8 divisors (see below), whose sum is σ = 20468454784. Its totient is φ = 7675670520.

The previous prime is 13432423397. The next prime is 13432423451.

It is a happy number.

13432423431 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13432423431 - 2¹⁸ = 13432161287 is a prime.

It is a super-2 number, since 2×13432423431² (a number of 21 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 (13432423451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319819585 + ... + 319819626.

It is an arithmetic number, because the mean of its divisors is an integer number (2558556848).

Almost surely, 2^13432423431 is an apocalyptic number.

13432423431 is a deficient number, since it is larger than the sum of its proper divisors (7036031353).

13432423431 is an equidigital number, since it uses as much as digits as its factorization.

13432423431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639639221.

The product of its digits is 20736, while the sum is 30.

The spelling of 13432423431 in words is "thirteen billion, four hundred thirty-two million, four hundred twenty-three thousand, four hundred thirty-one".