144444441323 has 32 divisors (see below), whose sum is σ = 195270835200. Its totient is φ = 103563225216.

The previous prime is 144444441319. The next prime is 144444441353. The reversal of 144444441323 is 323144444441.

It is not a de Polignac number, because 144444441323 - 2² = 144444441319 is a prime.

It is a super-2 number, since 2×144444441323² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144444441353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1776368 + ... + 1855901.

It is an arithmetic number, because the mean of its divisors is an integer number (6102213600).

Almost surely, 2^144444441323 is an apocalyptic number.

144444441323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144444441323 is a deficient number, since it is larger than the sum of its proper divisors (50826393877).

144444441323 is a wasteful number, since it uses less digits than its factorization.

144444441323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632331.

The product of its digits is 294912, while the sum is 38.

Adding to 144444441323 its reverse (323144444441), we get a palindrome (467588885764).

The spelling of 144444441323 in words is "one hundred forty-four billion, four hundred forty-four million, four hundred forty-one thousand, three hundred twenty-three".