6423213020 has 144 divisors (see below), whose sum is σ = 17151305472. Its totient is φ = 2005678080.

The previous prime is 6423212981. The next prime is 6423213023. The reversal of 6423213020 is 203123246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423213023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 510242 + ... + 522678.

It is an arithmetic number, because the mean of its divisors is an integer number (119106288).

Almost surely, 2^6423213020 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 6423213020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8575652736).

6423213020 is an abundant number, since it is smaller than the sum of its proper divisors (10728092452).

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

6423213020 is a wasteful number, since it uses less digits than its factorization.

6423213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12508 (or 12499 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 6423213020 is about 80144.9500592520. The cubic root of 6423213020 is about 1858.8775186740.

Adding to 6423213020 its reverse (203123246), we get a palindrome (6626336266).

The spelling of 6423213020 in words is "six billion, four hundred twenty-three million, two hundred thirteen thousand, twenty".