4440421730023 has 2 divisors, whose sum is σ = 4440421730024. Its totient is φ = 4440421730022.

The previous prime is 4440421729993. The next prime is 4440421730051. The reversal of 4440421730023 is 3200371240444.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4440421730023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4440421730053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220210865011 + 2220210865012.

It is an arithmetic number, because the mean of its divisors is an integer number (2220210865012).

Almost surely, 2^{4440421730023} is an apocalyptic number.

4440421730023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440421730023 is an equidigital number, since it uses as much as digits as its factorization.

4440421730023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 34.

Adding to 4440421730023 its reverse (3200371240444), we get a palindrome (7640792970467).

The spelling of 4440421730023 in words is "four trillion, four hundred forty billion, four hundred twenty-one million, seven hundred thirty thousand, twenty-three".