2144421423 has 12 divisors (see below), whose sum is σ = 3099771480. Its totient is φ = 1428564816.

The previous prime is 2144421379. The next prime is 2144421431. The reversal of 2144421423 is 3241244412.

2144421423 is a `hidden beast` number, since 2 + 1 + 444 + 214 + 2 + 3 = 666.

It is not a de Polignac number, because 2144421423 - 2⁹ = 2144420911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144421473) 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 11 ways as a sum of consecutive naturals, for example, 74413 + ... + 99126.

It is an arithmetic number, because the mean of its divisors is an integer number (258314290).

Almost surely, 2^2144421423 is an apocalyptic number.

2144421423 is a deficient number, since it is larger than the sum of its proper divisors (955350057).

2144421423 is a wasteful number, since it uses less digits than its factorization.

2144421423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174918 (or 174915 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 2144421423 is about 46307.8980628575. The cubic root of 2144421423 is about 1289.5456250840.

Adding to 2144421423 its reverse (3241244412), we get a palindrome (5385665835).

The spelling of 2144421423 in words is "two billion, one hundred forty-four million, four hundred twenty-one thousand, four hundred twenty-three".