123223304120 has 32 divisors (see below), whose sum is σ = 316859925600. Its totient is φ = 42247989888.

The previous prime is 123223304089. The next prime is 123223304147. The reversal of 123223304120 is 21403322321.

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, 220041335 + ... + 220041894.

It is an arithmetic number, because the mean of its divisors is an integer number (9901872675).

Almost surely, 2^123223304120 is an apocalyptic number.

123223304120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123223304120 is an abundant number, since it is smaller than the sum of its proper divisors (193636621480).

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

123223304120 is a wasteful number, since it uses less digits than its factorization.

123223304120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440083247 (or 440083243 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123223304120 its reverse (21403322321), we get a palindrome (144626626441).

The spelling of 123223304120 in words is "one hundred twenty-three billion, two hundred twenty-three million, three hundred four thousand, one hundred twenty".