123331003120 has 40 divisors (see below), whose sum is σ = 308801860416. Its totient is φ = 45537600768.

The previous prime is 123331003091. The next prime is 123331003153. The reversal of 123331003120 is 21300133321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 59292712 + ... + 59294791.

Almost surely, 2^123331003120 is an apocalyptic number.

123331003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123331003120 is an abundant number, since it is smaller than the sum of its proper divisors (185470857296).

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

123331003120 is a wasteful number, since it uses less digits than its factorization.

123331003120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118587529 (or 118587523 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123331003120 its reverse (21300133321), we get a palindrome (144631136441).

The spelling of 123331003120 in words is "one hundred twenty-three billion, three hundred thirty-one million, three thousand, one hundred twenty".