1444004423 has 24 divisors (see below), whose sum is σ = 1547515200. Its totient is φ = 1346963904.

The previous prime is 1444004407. The next prime is 1444004437. The reversal of 1444004423 is 3244004441.

It is a happy number.

It is not a de Polignac number, because 1444004423 - 2⁴ = 1444004407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1444004392 and 1444004401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444004323) 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 23 ways as a sum of consecutive naturals, for example, 4555061 + ... + 4555377.

It is an arithmetic number, because the mean of its divisors is an integer number (64479800).

Almost surely, 2^1444004423 is an apocalyptic number.

1444004423 is a deficient number, since it is larger than the sum of its proper divisors (103510777).

1444004423 is a wasteful number, since it uses less digits than its factorization.

1444004423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1444004423 is about 38000.0581973239. The cubic root of 1444004423 is about 1130.2890176221.

Adding to 1444004423 its reverse (3244004441), we get a palindrome (4688008864).

The spelling of 1444004423 in words is "one billion, four hundred forty-four million, four thousand, four hundred twenty-three".