12312230933 has 2 divisors, whose sum is σ = 12312230934. Its totient is φ = 12312230932.

The previous prime is 12312230867. The next prime is 12312230951. The reversal of 12312230933 is 33903221321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9899653009 + 2412577924 = 99497^2 + 49118^2 .

It is an emirp because it is prime and its reverse (33903221321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12312230933 - 2¹⁴ = 12312214549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12312230896 and 12312230905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312230233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156115466 + 6156115467.

It is an arithmetic number, because the mean of its divisors is an integer number (6156115467).

Almost surely, 2^12312230933 is an apocalyptic number.

It is an amenable number.

12312230933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312230933 is an equidigital number, since it uses as much as digits as its factorization.

12312230933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 12312230933 in words is "twelve billion, three hundred twelve million, two hundred thirty thousand, nine hundred thirty-three".