13432144323 has 8 divisors (see below), whose sum is σ = 19287181648. Its totient is φ = 8265934944.

The previous prime is 13432144283. The next prime is 13432144331. The reversal of 13432144323 is 32344123431.

It is a happy number.

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

It is not a de Polignac number, because 13432144323 - 2⁸ = 13432144067 is a prime.

It is a super-2 number, since 2×13432144323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13432144123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172206940 + ... + 172207017.

It is an arithmetic number, because the mean of its divisors is an integer number (2410897706).

Almost surely, 2^13432144323 is an apocalyptic number.

13432144323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13432144323 is a deficient number, since it is larger than the sum of its proper divisors (5855037325).

13432144323 is a wasteful number, since it uses less digits than its factorization.

13432144323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344413973.

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

Adding to 13432144323 its reverse (32344123431), we get a palindrome (45776267754).

The spelling of 13432144323 in words is "thirteen billion, four hundred thirty-two million, one hundred forty-four thousand, three hundred twenty-three".