23144440303 has 8 divisors (see below), whose sum is σ = 24430062320. Its totient is φ = 21926305368.

The previous prime is 23144440279. The next prime is 23144440337. The reversal of 23144440303 is 30304444132.

It is a de Polignac number, because none of the positive numbers 2^k-23144440303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144440603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680300 + ... + 1694017.

It is an arithmetic number, because the mean of its divisors is an integer number (3053757790).

Almost surely, 2^23144440303 is an apocalyptic number.

23144440303 is a deficient number, since it is larger than the sum of its proper divisors (1285622017).

23144440303 is an frugal number, since it uses more digits than its factorization.

23144440303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374374 (or 3374336 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23144440303 its reverse (30304444132), we get a palindrome (53448884435).

The spelling of 23144440303 in words is "twenty-three billion, one hundred forty-four million, four hundred forty thousand, three hundred three".