4444023101321 has 4 divisors (see below), whose sum is σ = 4462463031444. Its totient is φ = 4425583171200.

The previous prime is 4444023101291. The next prime is 4444023101351. The reversal of 4444023101321 is 1231013204444.

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

It is an interprime number because it is at equal distance from previous prime (4444023101291) and next prime (4444023101351).

It can be written as a sum of positive squares in 2 ways, for example, as 3395322169600 + 1048700931721 = 1842640^2 + 1024061^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444023101321 - 2²⁶ = 4443955992457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444023101351) 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 3 ways as a sum of consecutive naturals, for example, 9219964700 + ... + 9219965181.

It is an arithmetic number, because the mean of its divisors is an integer number (1115615757861).

Almost surely, 2^{4444023101321} is an apocalyptic number.

It is an amenable number.

4444023101321 is a deficient number, since it is larger than the sum of its proper divisors (18439930123).

4444023101321 is a wasteful number, since it uses less digits than its factorization.

4444023101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18439930122.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 4444023101321 its reverse (1231013204444), we get a palindrome (5675036305765).

The spelling of 4444023101321 in words is "four trillion, four hundred forty-four billion, twenty-three million, one hundred one thousand, three hundred twenty-one".