13444003023401 has 4 divisors (see below), whose sum is σ = 13444010361600. Its totient is φ = 13443995685204.

The previous prime is 13444003023371. The next prime is 13444003023457. The reversal of 13444003023401 is 10432030044431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13444003023401 - 2²² = 13443998829097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13444003023491) 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, 1631720 + ... + 5436038.

It is an arithmetic number, because the mean of its divisors is an integer number (3361002590400).

Almost surely, 2^{13444003023401} is an apocalyptic number.

It is an amenable number.

13444003023401 is a deficient number, since it is larger than the sum of its proper divisors (7338199).

13444003023401 is an equidigital number, since it uses as much as digits as its factorization.

13444003023401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7338198.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13444003023401 its reverse (10432030044431), we get a palindrome (23876033067832).

The spelling of 13444003023401 in words is "thirteen trillion, four hundred forty-four billion, three million, twenty-three thousand, four hundred one".