4021444423223 has 16 divisors (see below), whose sum is σ = 4052304801216. Its totient is φ = 3990642489600.

The previous prime is 4021444423201. The next prime is 4021444423231. The reversal of 4021444423223 is 3223244441204.

It is a cyclic number.

It is not a de Polignac number, because 4021444423223 - 2¹² = 4021444419127 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 (4021444422223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895044365 + ... + 895048857.

It is an arithmetic number, because the mean of its divisors is an integer number (253269050076).

Almost surely, 2^{4021444423223} is an apocalyptic number.

4021444423223 is a deficient number, since it is larger than the sum of its proper divisors (30860377993).

4021444423223 is a wasteful number, since it uses less digits than its factorization.

4021444423223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 4021444423223 its reverse (3223244441204), we get a palindrome (7244688864427).

The spelling of 4021444423223 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred twenty-three thousand, two hundred twenty-three".