5644522423 has 4 divisors (see below), whose sum is σ = 5648049648. Its totient is φ = 5640995200.

The previous prime is 5644522397. The next prime is 5644522453. The reversal of 5644522423 is 3242254465.

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 5644522423 - 2¹³ = 5644514231 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 (5644522453) 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, 1761211 + ... + 1764412.

It is an arithmetic number, because the mean of its divisors is an integer number (1412012412).

Almost surely, 2^5644522423 is an apocalyptic number.

5644522423 is a deficient number, since it is larger than the sum of its proper divisors (3527225).

5644522423 is a wasteful number, since it uses less digits than its factorization.

5644522423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527224.

The product of its digits is 230400, while the sum is 37.

The square root of 5644522423 is about 75130.0367562801. The cubic root of 5644522423 is about 1780.5017336405.

Adding to 5644522423 its reverse (3242254465), we get a palindrome (8886776888).

The spelling of 5644522423 in words is "five billion, six hundred forty-four million, five hundred twenty-two thousand, four hundred twenty-three".