123232322320 has 20 divisors (see below), whose sum is σ = 286515149580. Its totient is φ = 49292928896.

The previous prime is 123232322207. The next prime is 123232322347. The reversal of 123232322320 is 23223232321.

It can be written as a sum of positive squares in 2 ways, for example, as 83756990464 + 39475331856 = 289408^2 + 198684^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 770201935 + ... + 770202094.

It is an arithmetic number, because the mean of its divisors is an integer number (14325757479).

Almost surely, 2^123232322320 is an apocalyptic number.

123232322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123232322320 is an abundant number, since it is smaller than the sum of its proper divisors (163282827260).

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

123232322320 is a wasteful number, since it uses less digits than its factorization.

123232322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540404042 (or 1540404036 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 123232322320 its reverse (23223232321), we get a palindrome (146455554641).

The spelling of 123232322320 in words is "one hundred twenty-three billion, two hundred thirty-two million, three hundred twenty-two thousand, three hundred twenty".