12323432321 has 2 divisors, whose sum is σ = 12323432322. Its totient is φ = 12323432320.

The previous prime is 12323432309. The next prime is 12323432353.

It is a happy number.

12323432321 is nontrivially palindromic in base 10.

12323432321 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6226945921 + 6096486400 = 78911^2 + 78080^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12323432321 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (12323482321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161716160 + 6161716161.

It is an arithmetic number, because the mean of its divisors is an integer number (6161716161).

Almost surely, 2^12323432321 is an apocalyptic number.

It is an amenable number.

12323432321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323432321 is an equidigital number, since it uses as much as digits as its factorization.

12323432321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 26.

The spelling of 12323432321 in words is "twelve billion, three hundred twenty-three million, four hundred thirty-two thousand, three hundred twenty-one".