2144111440423 has 4 divisors (see below), whose sum is σ = 2144320204608. Its totient is φ = 2143902676240.

The previous prime is 2144111440421. The next prime is 2144111440441. The reversal of 2144111440423 is 3240441114412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2144111440423 - 2¹ = 2144111440421 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 (2144111440421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104366686 + ... + 104387227.

It is an arithmetic number, because the mean of its divisors is an integer number (536080051152).

Almost surely, 2^{2144111440423} is an apocalyptic number.

2144111440423 is a deficient number, since it is larger than the sum of its proper divisors (208764185).

2144111440423 is a wasteful number, since it uses less digits than its factorization.

2144111440423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208764184.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 2144111440423 its reverse (3240441114412), we get a palindrome (5384552554835).

The spelling of 2144111440423 in words is "two trillion, one hundred forty-four billion, one hundred eleven million, four hundred forty thousand, four hundred twenty-three".