4244544454423 has 16 divisors (see below), whose sum is σ = 5243475021120. Its totient is φ = 3345836403456.

The previous prime is 4244544454387. The next prime is 4244544454499. The reversal of 4244544454423 is 3244544454424.

It is a cyclic number.

It is not a de Polignac number, because 4244544454423 - 2¹³ = 4244544446231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244544458423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86673190 + ... + 86722147.

It is an arithmetic number, because the mean of its divisors is an integer number (327717188820).

Almost surely, 2^{4244544454423} is an apocalyptic number.

4244544454423 is a deficient number, since it is larger than the sum of its proper divisors (998930566697).

4244544454423 is a wasteful number, since it uses less digits than its factorization.

4244544454423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173395626.

The product of its digits is 19660800, while the sum is 49.

Subtracting from 4244544454423 its reverse (3244544454424), we obtain a palindrome (999999999999).

The spelling of 4244544454423 in words is "four trillion, two hundred forty-four billion, five hundred forty-four million, four hundred fifty-four thousand, four hundred twenty-three".