6423120 has 120 divisors (see below), whose sum is σ = 23560992. Its totient is φ = 1555200.

The previous prime is 6423119. The next prime is 6423149. The reversal of 6423120 is 213246.

It is a happy number.

6423120 is a `hidden beast` number, since 642 + 3 + 1 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 6423093 and 6423102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7515 + ... + 8325.

Almost surely, 2^6423120 is an apocalyptic number.

6423120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6423120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11780496).

6423120 is an abundant number, since it is smaller than the sum of its proper divisors (17137872).

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

6423120 is a wasteful number, since it uses less digits than its factorization.

6423120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6423120 is about 2534.3874999692. The cubic root of 6423120 is about 185.8868545303.

Adding to 6423120 its reverse (213246), we get a palindrome (6636366).

The spelling of 6423120 in words is "six million, four hundred twenty-three thousand, one hundred twenty".