4244023423421 has 8 divisors (see below), whose sum is σ = 4285515783744. Its totient is φ = 4202536606560.

The previous prime is 4244023423411. The next prime is 4244023423447. The reversal of 4244023423421 is 1243243204424.

4244023423421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4244023423421 - 2¹⁴ = 4244023407037 is a prime.

It is a super-2 number, since 2×4244023423421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244023423411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161201 + ... + 2917881.

It is an arithmetic number, because the mean of its divisors is an integer number (535689472968).

Almost surely, 2^{4244023423421} is an apocalyptic number.

It is an amenable number.

4244023423421 is a deficient number, since it is larger than the sum of its proper divisors (41492360323).

4244023423421 is a wasteful number, since it uses less digits than its factorization.

4244023423421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771731.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 4244023423421 its reverse (1243243204424), we get a palindrome (5487266627845).

The spelling of 4244023423421 in words is "four trillion, two hundred forty-four billion, twenty-three million, four hundred twenty-three thousand, four hundred twenty-one".