13144323 has 4 divisors (see below), whose sum is σ = 17525768. Its totient is φ = 8762880.

The previous prime is 13144319. The next prime is 13144331. The reversal of 13144323 is 32344131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13144323 - 2² = 13144319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13144323.

It is not an unprimeable number, because it can be changed into a prime (13144343) 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, 2190718 + ... + 2190723.

It is an arithmetic number, because the mean of its divisors is an integer number (4381442).

Almost surely, 2^13144323 is an apocalyptic number.

13144323 is a deficient number, since it is larger than the sum of its proper divisors (4381445).

13144323 is an equidigital number, since it uses as much as digits as its factorization.

13144323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381444.

The product of its digits is 864, while the sum is 21.

The square root of 13144323 is about 3625.5100330850. The cubic root of 13144323 is about 236.0004009856. Note that the first 3 decimals are identical.

Adding to 13144323 its reverse (32344131), we get a palindrome (45488454).

The spelling of 13144323 in words is "thirteen million, one hundred forty-four thousand, three hundred twenty-three".