123033323020 has 48 divisors (see below), whose sum is σ = 267657163200. Its totient is φ = 47449140480.

The previous prime is 123033323003. The next prime is 123033323089. The reversal of 123033323020 is 20323330321.

It is a junction number, because it is equal to n+sod(n) for n = 123033322982 and 123033323000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261625 + ... + 560815.

It is an arithmetic number, because the mean of its divisors is an integer number (5576190900).

Almost surely, 2^123033323020 is an apocalyptic number.

123033323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123033323020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133828581600).

123033323020 is an abundant number, since it is smaller than the sum of its proper divisors (144623840180).

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

123033323020 is a wasteful number, since it uses less digits than its factorization.

123033323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299938 (or 299936 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 123033323020 its reverse (20323330321), we get a palindrome (143356653341).

The spelling of 123033323020 in words is "one hundred twenty-three billion, thirty-three million, three hundred twenty-three thousand, twenty".