3123023112320 has 128 divisors (see below), whose sum is σ = 7548065965440. Its totient is φ = 1235491651584.

The previous prime is 3123023112269. The next prime is 3123023112373. The reversal of 3123023112320 is 232113203213.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95773139 + ... + 95805741.

It is an arithmetic number, because the mean of its divisors is an integer number (58969265355).

Almost surely, 2^{3123023112320} 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 3123023112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3774032982720).

3123023112320 is an abundant number, since it is smaller than the sum of its proper divisors (4425042853120).

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

3123023112320 is a wasteful number, since it uses less digits than its factorization.

3123023112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34262 (or 34250 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3123023112320 its reverse (232113203213), we get a palindrome (3355136315533).

The spelling of 3123023112320 in words is "three trillion, one hundred twenty-three billion, twenty-three million, one hundred twelve thousand, three hundred twenty".