2144134423 has 4 divisors (see below), whose sum is σ = 2202084040. Its totient is φ = 2086184808.

The previous prime is 2144134411. The next prime is 2144134471. The reversal of 2144134423 is 3244314412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144134423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2144134391 and 2144134400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144132423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28974753 + ... + 28974826.

It is an arithmetic number, because the mean of its divisors is an integer number (550521010).

Almost surely, 2^2144134423 is an apocalyptic number.

2144134423 is a deficient number, since it is larger than the sum of its proper divisors (57949617).

2144134423 is an equidigital number, since it uses as much as digits as its factorization.

2144134423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57949616.

The product of its digits is 9216, while the sum is 28.

The square root of 2144134423 is about 46304.7991357267. The cubic root of 2144134423 is about 1289.4880934654.

Adding to 2144134423 its reverse (3244314412), we get a palindrome (5388448835).

The spelling of 2144134423 in words is "two billion, one hundred forty-four million, one hundred thirty-four thousand, four hundred twenty-three".