244123024021 has 4 divisors (see below), whose sum is σ = 247561376544. Its totient is φ = 240684671500.

The previous prime is 244123024001. The next prime is 244123024049. The reversal of 244123024021 is 120420321442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120420321442 = 2 ⋅60210160721.

It is a cyclic number.

It is not a de Polignac number, because 244123024021 - 2⁹ = 244123023509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244123024001) 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 3 ways as a sum of consecutive naturals, for example, 1719176155 + ... + 1719176296.

It is an arithmetic number, because the mean of its divisors is an integer number (61890344136).

Almost surely, 2^244123024021 is an apocalyptic number.

It is an amenable number.

244123024021 is a deficient number, since it is larger than the sum of its proper divisors (3438352523).

244123024021 is an equidigital number, since it uses as much as digits as its factorization.

244123024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438352522.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 244123024021 its reverse (120420321442), we get a palindrome (364543345463).

The spelling of 244123024021 in words is "two hundred forty-four billion, one hundred twenty-three million, twenty-four thousand, twenty-one".