1444004310223 has 4 divisors (see below), whose sum is σ = 1445227007688. Its totient is φ = 1442781612760.

The previous prime is 1444004310193. The next prime is 1444004310263. The reversal of 1444004310223 is 3220134004441.

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-1444004310223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1444004310191 and 1444004310200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444004310263) 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, 611346961 + ... + 611349322.

It is an arithmetic number, because the mean of its divisors is an integer number (361306751922).

Almost surely, 2^{1444004310223} is an apocalyptic number.

1444004310223 is a deficient number, since it is larger than the sum of its proper divisors (1222697465).

1444004310223 is a wasteful number, since it uses less digits than its factorization.

1444004310223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222697464.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1444004310223 its reverse (3220134004441), we get a palindrome (4664138314664).

The spelling of 1444004310223 in words is "one trillion, four hundred forty-four billion, four million, three hundred ten thousand, two hundred twenty-three".