23144440444 has 24 divisors (see below), whose sum is σ = 40895531600. Its totient is φ = 11460113280.

The previous prime is 23144440439. The next prime is 23144440447. The reversal of 23144440444 is 44404444132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144440447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898099 + ... + 923509.

Almost surely, 2^23144440444 is an apocalyptic number.

It is an amenable number.

23144440444 is a deficient number, since it is larger than the sum of its proper divisors (17751091156).

23144440444 is a wasteful number, since it uses less digits than its factorization.

23144440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27613 (or 27611 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 23144440444 its reverse (44404444132), we get a palindrome (67548884576).

The spelling of 23144440444 in words is "twenty-three billion, one hundred forty-four million, four hundred forty thousand, four hundred forty-four".