123031333330120 has 16 divisors (see below), whose sum is σ = 276820499992860. Its totient is φ = 49212533332032.

The previous prime is 123031333330109. The next prime is 123031333330123. The reversal of 123031333330120 is 21033333130321.

It can be written as a sum of positive squares in 2 ways, for example, as 119202243608484 + 3829089721636 = 10917978^2 + 1956806^2 .

It is not an unprimeable number, because it can be changed into a prime (123031333330123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537891666587 + ... + 1537891666666.

Almost surely, 2^{123031333330120} is an apocalyptic number.

123031333330120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123031333330120 is an abundant number, since it is smaller than the sum of its proper divisors (153789166662740).

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

123031333330120 is a wasteful number, since it uses less digits than its factorization.

123031333330120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075783333264 (or 3075783333260 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 123031333330120 its reverse (21033333130321), we get a palindrome (144064666460441).

The spelling of 123031333330120 in words is "one hundred twenty-three trillion, thirty-one billion, three hundred thirty-three million, three hundred thirty thousand, one hundred twenty".