123323120313220 has 48 divisors (see below), whose sum is σ = 259024164287616. Its totient is φ = 49320561152000.

The previous prime is 123323120313191. The next prime is 123323120313233. The reversal of 123323120313220 is 22313021323321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3913637265 + ... + 3913668775.

It is an arithmetic number, because the mean of its divisors is an integer number (5396336755992).

Almost surely, 2^{123323120313220} is an apocalyptic number.

123323120313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123323120313220 is an abundant number, since it is smaller than the sum of its proper divisors (135701043974396).

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

123323120313220 is a wasteful number, since it uses less digits than its factorization.

123323120313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59772 (or 59770 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 123323120313220 its reverse (22313021323321), we get a palindrome (145636141636541).

The spelling of 123323120313220 in words is "one hundred twenty-three trillion, three hundred twenty-three billion, one hundred twenty million, three hundred thirteen thousand, two hundred twenty".