4021444232323 has 4 divisors (see below), whose sum is σ = 4595936265520. Its totient is φ = 3446952199128.

The previous prime is 4021444232293. The next prime is 4021444232339. The reversal of 4021444232323 is 3232324441204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021444232323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021444232423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287246016588 + ... + 287246016601.

It is an arithmetic number, because the mean of its divisors is an integer number (1148984066380).

Almost surely, 2^{4021444232323} is an apocalyptic number.

4021444232323 is a deficient number, since it is larger than the sum of its proper divisors (574492033197).

4021444232323 is an equidigital number, since it uses as much as digits as its factorization.

4021444232323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574492033196.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 4021444232323 its reverse (3232324441204), we get a palindrome (7253768673527).

The spelling of 4021444232323 in words is "four trillion, twenty-one billion, four hundred forty-four million, two hundred thirty-two thousand, three hundred twenty-three".