2001442044223 has 2 divisors, whose sum is σ = 2001442044224. Its totient is φ = 2001442044222.

The previous prime is 2001442044191. The next prime is 2001442044263. The reversal of 2001442044223 is 3224402441002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001442044223 - 2⁵ = 2001442044191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001442044191 and 2001442044200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001442044263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000721022111 + 1000721022112.

It is an arithmetic number, because the mean of its divisors is an integer number (1000721022112).

Almost surely, 2^{2001442044223} is an apocalyptic number.

2001442044223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001442044223 is an equidigital number, since it uses as much as digits as its factorization.

2001442044223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 2001442044223 its reverse (3224402441002), we get a palindrome (5225844485225).

The spelling of 2001442044223 in words is "two trillion, one billion, four hundred forty-two million, forty-four thousand, two hundred twenty-three".