3123354123320 has 96 divisors (see below), whose sum is σ = 7218114340320. Its totient is φ = 1216236837120.

The previous prime is 3123354123319. The next prime is 3123354123353. The reversal of 3123354123320 is 233214533213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14232830 + ... + 14450610.

It is an arithmetic number, because the mean of its divisors is an integer number (75188691045).

Almost surely, 2^{3123354123320} 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 3123354123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3609057170160).

3123354123320 is an abundant number, since it is smaller than the sum of its proper divisors (4094760217000).

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

3123354123320 is a wasteful number, since it uses less digits than its factorization.

3123354123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218013 (or 217950 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 3123354123320 its reverse (233214533213), we get a palindrome (3356568656533).

The spelling of 3123354123320 in words is "three trillion, one hundred twenty-three billion, three hundred fifty-four million, one hundred twenty-three thousand, three hundred twenty".