6423544 has 16 divisors (see below), whose sum is σ = 12242520. Its totient is φ = 3158880.

The previous prime is 6423523. The next prime is 6423551. The reversal of 6423544 is 4453246.

It is a d-powerful number, because it can be written as 6⁶ + 4⁵ + 2²¹ + 3⁷ + 5⁷ + 4⁶ + 4¹¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6094 + ... + 7069.

Almost surely, 2^6423544 is an apocalyptic number.

It is an amenable number.

6423544 is a deficient number, since it is larger than the sum of its proper divisors (5818976).

6423544 is a wasteful number, since it uses less digits than its factorization.

6423544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13230 (or 13226 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 6423544 is about 2534.4711479912. The cubic root of 6423544 is about 185.8909446657.

It can be divided in two parts, 642 and 3544, that added together give a triangular number (4186 = T₉₁).

The spelling of 6423544 in words is "six million, four hundred twenty-three thousand, five hundred forty-four".