123320331232 has 48 divisors (see below), whose sum is σ = 277823710080. Its totient is φ = 52784339328.

The previous prime is 123320331223. The next prime is 123320331247. The reversal of 123320331232 is 232133023321.

It is a junction number, because it is equal to n+sod(n) for n = 123320331197 and 123320331206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173482 + ... + 526057.

It is an arithmetic number, because the mean of its divisors is an integer number (5787993960).

Almost surely, 2^123320331232 is an apocalyptic number.

It is an amenable number.

123320331232 is an abundant number, since it is smaller than the sum of its proper divisors (154503378848).

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

123320331232 is an equidigital number, since it uses as much as digits as its factorization.

123320331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700343 (or 700335 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 123320331232 its reverse (232133023321), we get a palindrome (355453354553).

The spelling of 123320331232 in words is "one hundred twenty-three billion, three hundred twenty million, three hundred thirty-one thousand, two hundred thirty-two".