2124440443423 has 16 divisors (see below), whose sum is σ = 2333758740480. Its totient is φ = 1924893504864.

The previous prime is 2124440443409. The next prime is 2124440443441. The reversal of 2124440443423 is 3243440444212.

It is a cyclic number.

It is not a de Polignac number, because 2124440443423 - 2³⁷ = 1987001489951 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 (2124440443483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3448765 + ... + 4017817.

It is an arithmetic number, because the mean of its divisors is an integer number (145859921280).

Almost surely, 2^{2124440443423} is an apocalyptic number.

2124440443423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2124440443423 is a deficient number, since it is larger than the sum of its proper divisors (209318297057).

2124440443423 is a wasteful number, since it uses less digits than its factorization.

2124440443423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577638.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 2124440443423 its reverse (3243440444212), we get a palindrome (5367880887635).

The spelling of 2124440443423 in words is "two trillion, one hundred twenty-four billion, four hundred forty million, four hundred forty-three thousand, four hundred twenty-three".