123323120 has 20 divisors (see below), whose sum is σ = 286726440. Its totient is φ = 49329216.

The previous prime is 123323119. The next prime is 123323147. The reversal of 123323120 is 21323321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770690 + ... + 770849.

It is an arithmetic number, because the mean of its divisors is an integer number (14336322).

Almost surely, 2^123323120 is an apocalyptic number.

123323120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123323120 is an abundant number, since it is smaller than the sum of its proper divisors (163403320).

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

123323120 is a wasteful number, since it uses less digits than its factorization.

123323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541552 (or 1541546 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123323120 is about 11105.0943264792. The cubic root of 123323120 is about 497.7540868532.

Adding to 123323120 its reverse (21323321), we get a palindrome (144646441).

The spelling of 123323120 in words is "one hundred twenty-three million, three hundred twenty-three thousand, one hundred twenty".