4244242021323 has 16 divisors (see below), whose sum is σ = 5959732596480. Its totient is φ = 2679268148064.

The previous prime is 4244242021319. The next prime is 4244242021337. The reversal of 4244242021323 is 3231202424424.

It is a happy number.

It is not a de Polignac number, because 4244242021323 - 2² = 4244242021319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4244242023323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18017511 + ... + 18251552.

It is an arithmetic number, because the mean of its divisors is an integer number (372483287280).

Almost surely, 2^{4244242021323} is an apocalyptic number.

4244242021323 is a deficient number, since it is larger than the sum of its proper divisors (1715490575157).

4244242021323 is a wasteful number, since it uses less digits than its factorization.

4244242021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36271138.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 4244242021323 its reverse (3231202424424), we get a palindrome (7475444445747).

The spelling of 4244242021323 in words is "four trillion, two hundred forty-four billion, two hundred forty-two million, twenty-one thousand, three hundred twenty-three".