5440123443 has 8 divisors (see below), whose sum is σ = 7487481856. Its totient is φ = 3509757000.

The previous prime is 5440123399. The next prime is 5440123483. The reversal of 5440123443 is 3443210445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5440123443 - 2¹⁶ = 5440057907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5440123443.

It is not an unprimeable number, because it can be changed into a prime (5440123483) 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 7 ways as a sum of consecutive naturals, for example, 29247883 + ... + 29248068.

It is an arithmetic number, because the mean of its divisors is an integer number (935935232).

Almost surely, 2^5440123443 is an apocalyptic number.

5440123443 is a deficient number, since it is larger than the sum of its proper divisors (2047358413).

5440123443 is a wasteful number, since it uses less digits than its factorization.

5440123443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58495985.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 5440123443 is about 73757.1924831741. The cubic root of 5440123443 is about 1758.7451716510.

Adding to 5440123443 its reverse (3443210445), we get a palindrome (8883333888).

The spelling of 5440123443 in words is "five billion, four hundred forty million, one hundred twenty-three thousand, four hundred forty-three".