12323200323157 has 2 divisors, whose sum is σ = 12323200323158. Its totient is φ = 12323200323156.

The previous prime is 12323200323127. The next prime is 12323200323277. The reversal of 12323200323157 is 75132300232321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7824109659921 + 4499090663236 = 2797161^2 + 2121106^2 .

It is an emirp because it is prime and its reverse (75132300232321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12323200323157 - 2¹⁵ = 12323200290389 is a prime.

It is a super-2 number, since 2×12323200323157² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12323200323107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161600161578 + 6161600161579.

It is an arithmetic number, because the mean of its divisors is an integer number (6161600161579).

Almost surely, 2^{12323200323157} is an apocalyptic number.

It is an amenable number.

12323200323157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323200323157 is an equidigital number, since it uses as much as digits as its factorization.

12323200323157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 34.

Adding to 12323200323157 its reverse (75132300232321), we get a palindrome (87455500555478).

The spelling of 12323200323157 in words is "twelve trillion, three hundred twenty-three billion, two hundred million, three hundred twenty-three thousand, one hundred fifty-seven".