12303321123 has 32 divisors (see below), whose sum is σ = 17938368000. Its totient is φ = 7474118400.

The previous prime is 12303321119. The next prime is 12303321127. The reversal of 12303321123 is 32112330321.

12303321123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12303321119) and next prime (12303321127).

It is not a de Polignac number, because 12303321123 - 2² = 12303321119 is a prime.

It is a super-2 number, since 2×12303321123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12303321123.

It is not an unprimeable number, because it can be changed into a prime (12303321127) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 128853 + ... + 203001.

It is an arithmetic number, because the mean of its divisors is an integer number (560574000).

Almost surely, 2^12303321123 is an apocalyptic number.

12303321123 is a deficient number, since it is larger than the sum of its proper divisors (5635046877).

12303321123 is a wasteful number, since it uses less digits than its factorization.

12303321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74283.

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

Adding to 12303321123 its reverse (32112330321), we get a palindrome (44415651444).

The spelling of 12303321123 in words is "twelve billion, three hundred three million, three hundred twenty-one thousand, one hundred twenty-three".