3223142342420 has 864 divisors, whose sum is σ = 9489247262208. Its totient is φ = 899458560000.

The previous prime is 3223142342401. The next prime is 3223142342449. The reversal of 3223142342420 is 242432413223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 20529568982 + ... + 20529569138.

It is an arithmetic number, because the mean of its divisors is an integer number (10982925072).

Almost surely, 2^{3223142342420} 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 3223142342420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4744623631104).

3223142342420 is an abundant number, since it is smaller than the sum of its proper divisors (6266104919788).

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

3223142342420 is a wasteful number, since it uses less digits than its factorization.

3223142342420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 3223142342420 its reverse (242432413223), we get a palindrome (3465574755643).

The spelling of 3223142342420 in words is "three trillion, two hundred twenty-three billion, one hundred forty-two million, three hundred forty-two thousand, four hundred twenty".