123303001002312 has 32 divisors (see below), whose sum is σ = 308288731697280. Its totient is φ = 41096836441920.

The previous prime is 123303001002299. The next prime is 123303001002341. The reversal of 123303001002312 is 213200100303321.

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, 260001423 + ... + 260475230.

It is an arithmetic number, because the mean of its divisors is an integer number (9634022865540).

Almost surely, 2^{123303001002312} is an apocalyptic number.

123303001002312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123303001002312 is an abundant number, since it is smaller than the sum of its proper divisors (184985730694968).

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

123303001002312 is a wasteful number, since it uses less digits than its factorization.

123303001002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520486533 (or 520486529 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123303001002312 its reverse (213200100303321), we get a palindrome (336503101305633).

The spelling of 123303001002312 in words is "one hundred twenty-three trillion, three hundred three billion, one million, two thousand, three hundred twelve".