123221300316 has 24 divisors (see below), whose sum is σ = 287555696400. Its totient is φ = 41068148352.

The previous prime is 123221300299. The next prime is 123221300317. The reversal of 123221300316 is 613003122321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123221300317) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 610441 + ... + 786816.

It is an arithmetic number, because the mean of its divisors is an integer number (11981487350).

Almost surely, 2^123221300316 is an apocalyptic number.

It is an amenable number.

123221300316 is an abundant number, since it is smaller than the sum of its proper divisors (164334396084).

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

123221300316 is a wasteful number, since it uses less digits than its factorization.

123221300316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404613 (or 1404611 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 123221300316 its reverse (613003122321), we get a palindrome (736224422637).

The spelling of 123221300316 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred thousand, three hundred sixteen".