123033331020 has 48 divisors (see below), whose sum is σ = 347541959520. Its totient is φ = 32518542336.

The previous prime is 123033330989. The next prime is 123033331021. The reversal of 123033331020 is 20133330321.

123033331020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (123033331021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9066475 + ... + 9080034.

It is an arithmetic number, because the mean of its divisors is an integer number (7240457490).

Almost surely, 2^123033331020 is an apocalyptic number.

123033331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123033331020 is an abundant number, since it is smaller than the sum of its proper divisors (224508628500).

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

123033331020 is a wasteful number, since it uses less digits than its factorization.

123033331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18146634 (or 18146632 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 123033331020 its reverse (20133330321), we get a palindrome (143166661341).

The spelling of 123033331020 in words is "one hundred twenty-three billion, thirty-three million, three hundred thirty-one thousand, twenty".