12323321291 has 2 divisors, whose sum is σ = 12323321292. Its totient is φ = 12323321290.

The previous prime is 12323321261. The next prime is 12323321347. The reversal of 12323321291 is 19212332321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12323321291 - 2¹⁴ = 12323304907 is a prime.

It is a super-3 number, since 3×12323321291³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12323321261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161660645 + 6161660646.

It is an arithmetic number, because the mean of its divisors is an integer number (6161660646).

Almost surely, 2^12323321291 is an apocalyptic number.

12323321291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323321291 is an equidigital number, since it uses as much as digits as its factorization.

12323321291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The spelling of 12323321291 in words is "twelve billion, three hundred twenty-three million, three hundred twenty-one thousand, two hundred ninety-one".