123221320300 has 288 divisors, whose sum is σ = 306508826624. Its totient is φ = 42674688000.

The previous prime is 123221320297. The next prime is 123221320319. The reversal of 123221320300 is 3023122321.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 365641732 + ... + 365642068.

Almost surely, 2^123221320300 is an apocalyptic number.

123221320300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123221320300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153254413312).

123221320300 is an abundant number, since it is smaller than the sum of its proper divisors (183287506324).

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

123221320300 is a wasteful number, since it uses less digits than its factorization.

123221320300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123221320300 its reverse (3023122321), we get a palindrome (126244442621).

The spelling of 123221320300 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred twenty thousand, three hundred".