123221320296 has 64 divisors (see below), whose sum is σ = 315652075200. Its totient is φ = 40061145600.

The previous prime is 123221320283. The next prime is 123221320297. The reversal of 123221320296 is 692023122321.

It is not an unprimeable number, because it can be changed into a prime (123221320297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4146531 + ... + 4176141.

It is an arithmetic number, because the mean of its divisors is an integer number (4932063675).

Almost surely, 2^123221320296 is an apocalyptic number.

It is an amenable number.

123221320296 is an abundant number, since it is smaller than the sum of its proper divisors (192430754904).

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

123221320296 is a wasteful number, since it uses less digits than its factorization.

123221320296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33890 (or 33886 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 123221320296 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred twenty thousand, two hundred ninety-six".