12323200323156 has 12 divisors (see below), whose sum is σ = 28754134087392. Its totient is φ = 4107733441048.

The previous prime is 12323200323127. The next prime is 12323200323157. The reversal of 12323200323156 is 65132300232321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12323200323156² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323200323157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513466680120 + ... + 513466680143.

It is an arithmetic number, because the mean of its divisors is an integer number (2396177840616).

Almost surely, 2^{12323200323156} is an apocalyptic number.

It is an amenable number.

12323200323156 is an abundant number, since it is smaller than the sum of its proper divisors (16430933764236).

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

12323200323156 is a wasteful number, since it uses less digits than its factorization.

12323200323156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026933360270 (or 1026933360268 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 12323200323156 its reverse (65132300232321), we get a palindrome (77455500555477).

The spelling of 12323200323156 in words is "twelve trillion, three hundred twenty-three billion, two hundred million, three hundred twenty-three thousand, one hundred fifty-six".