13532144323 has 4 divisors (see below), whose sum is σ = 14120498448. Its totient is φ = 12943790200.

The previous prime is 13532144321. The next prime is 13532144359. The reversal of 13532144323 is 32344123531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32344123531 = 10163 ⋅3182537.

It is a cyclic number.

It is not a de Polignac number, because 13532144323 - 2¹ = 13532144321 is a prime.

It is a super-2 number, since 2×13532144323² (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 (13532144321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294177028 + ... + 294177073.

It is an arithmetic number, because the mean of its divisors is an integer number (3530124612).

Almost surely, 2^13532144323 is an apocalyptic number.

13532144323 is a deficient number, since it is larger than the sum of its proper divisors (588354125).

13532144323 is an equidigital number, since it uses as much as digits as its factorization.

13532144323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588354124.

The product of its digits is 25920, while the sum is 31.

Adding to 13532144323 its reverse (32344123531), we get a palindrome (45876267854).

The spelling of 13532144323 in words is "thirteen billion, five hundred thirty-two million, one hundred forty-four thousand, three hundred twenty-three".