13444354023 has 4 divisors (see below), whose sum is σ = 17925805368. Its totient is φ = 8962902680.

The previous prime is 13444353997. The next prime is 13444354031. The reversal of 13444354023 is 32045344431.

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

It is a cyclic number.

It is not a de Polignac number, because 13444354023 - 2¹² = 13444349927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444354043) 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, 2240725668 + ... + 2240725673.

It is an arithmetic number, because the mean of its divisors is an integer number (4481451342).

Almost surely, 2^13444354023 is an apocalyptic number.

13444354023 is a deficient number, since it is larger than the sum of its proper divisors (4481451345).

13444354023 is an equidigital number, since it uses as much as digits as its factorization.

13444354023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481451344.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 13444354023 its reverse (32045344431), we get a palindrome (45489698454).

The spelling of 13444354023 in words is "thirteen billion, four hundred forty-four million, three hundred fifty-four thousand, twenty-three".