4044440004023 has 2 divisors, whose sum is σ = 4044440004024. Its totient is φ = 4044440004022.

The previous prime is 4044440003999. The next prime is 4044440004067. The reversal of 4044440004023 is 3204000444404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4044440004023 is a prime.

It is a super-2 number, since 2×4044440004023² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044440004323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022220002011 + 2022220002012.

It is an arithmetic number, because the mean of its divisors is an integer number (2022220002012).

Almost surely, 2^{4044440004023} is an apocalyptic number.

4044440004023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044440004023 is an equidigital number, since it uses as much as digits as its factorization.

4044440004023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 4044440004023 its reverse (3204000444404), we get a palindrome (7248440448427).

The spelling of 4044440004023 in words is "four trillion, forty-four billion, four hundred forty million, four thousand, twenty-three".