13444723 has 6 divisors (see below), whose sum is σ = 14189964. Its totient is φ = 12736764.

The previous prime is 13444721. The next prime is 13444733. The reversal of 13444723 is 32744431.

It is not a de Polignac number, because 13444723 - 2¹ = 13444721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13444691 and 13444700.

It is not an unprimeable number, because it can be changed into a prime (13444721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18261 + ... + 18982.

It is an arithmetic number, because the mean of its divisors is an integer number (2364994).

Almost surely, 2^13444723 is an apocalyptic number.

13444723 is a deficient number, since it is larger than the sum of its proper divisors (745241).

13444723 is an equidigital number, since it uses as much as digits as its factorization.

13444723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37281 (or 37262 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 13444723 is about 3666.7046513184. The cubic root of 13444723 is about 237.7847251895.

The spelling of 13444723 in words is "thirteen million, four hundred forty-four thousand, seven hundred twenty-three".