12312323033 has 2 divisors, whose sum is σ = 12312323034. Its totient is φ = 12312323032.

The previous prime is 12312322963. The next prime is 12312323063. The reversal of 12312323033 is 33032321321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8137483264 + 4174839769 = 90208^2 + 64613^2 .

It is a cyclic number.

It is not a de Polignac number, because 12312323033 - 2¹⁴ = 12312306649 is a prime.

It is not a weakly prime, because it can be changed into another prime (12312323063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156161516 + 6156161517.

It is an arithmetic number, because the mean of its divisors is an integer number (6156161517).

Almost surely, 2^12312323033 is an apocalyptic number.

It is an amenable number.

12312323033 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312323033 is an equidigital number, since it uses as much as digits as its factorization.

12312323033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 12312323033 its reverse (33032321321), we get a palindrome (45344644354).

The spelling of 12312323033 in words is "twelve billion, three hundred twelve million, three hundred twenty-three thousand, thirty-three".