343021411323020 has 96 divisors (see below), whose sum is σ = 758281324953600. Its totient is φ = 130159225937664.

The previous prime is 343021411322911. The next prime is 343021411323023. The reversal of 343021411323020 is 20323114120343.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (343021411323023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3359741 + ... + 26407019.

It is an arithmetic number, because the mean of its divisors is an integer number (7898763801600).

Almost surely, 2^{343021411323020} 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 343021411323020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379140662476800).

343021411323020 is an abundant number, since it is smaller than the sum of its proper divisors (415259913630580).

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

343021411323020 is a wasteful number, since it uses less digits than its factorization.

343021411323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23047767 (or 23047765 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 343021411323020 its reverse (20323114120343), we get a palindrome (363344525443363).

The spelling of 343021411323020 in words is "three hundred forty-three trillion, twenty-one billion, four hundred eleven million, three hundred twenty-three thousand, twenty".