6423144 has 128 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 1585152.

The previous prime is 6423119. The next prime is 6423149. The reversal of 6423144 is 4413246.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6423149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37042 + ... + 37214.

It is an arithmetic number, because the mean of its divisors is an integer number (164430).

Almost surely, 2^6423144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6423144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10523520).

6423144 is an abundant number, since it is smaller than the sum of its proper divisors (14623896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6423144 is a wasteful number, since it uses less digits than its factorization.

6423144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 215 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 6423144 is about 2534.3922348366. The cubic root of 6423144 is about 185.8870860522.

The spelling of 6423144 in words is "six million, four hundred twenty-three thousand, one hundred forty-four".