12130312323 has 24 divisors (see below), whose sum is σ = 16677062128. Its totient is φ = 7837074432.

The previous prime is 12130312261. The next prime is 12130312331. The reversal of 12130312323 is 32321303121.

It is not a de Polignac number, because 12130312323 - 2¹² = 12130308227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12130312323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130312373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13831161 + ... + 13832037.

Almost surely, 2^12130312323 is an apocalyptic number.

12130312323 is a deficient number, since it is larger than the sum of its proper divisors (4546749805).

12130312323 is an frugal number, since it uses more digits than its factorization.

12130312323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1270 counting only the distinct ones).

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

Adding to 12130312323 its reverse (32321303121), we get a palindrome (44451615444).

The spelling of 12130312323 in words is "twelve billion, one hundred thirty million, three hundred twelve thousand, three hundred twenty-three".