12332023421 has 2 divisors, whose sum is σ = 12332023422. Its totient is φ = 12332023420.

The previous prime is 12332023409. The next prime is 12332023453. The reversal of 12332023421 is 12432023321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11614372900 + 717650521 = 107770^2 + 26789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12332023421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12332023471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6166011710 + 6166011711.

It is an arithmetic number, because the mean of its divisors is an integer number (6166011711).

Almost surely, 2^12332023421 is an apocalyptic number.

It is an amenable number.

12332023421 is a deficient number, since it is larger than the sum of its proper divisors (1).

12332023421 is an equidigital number, since it uses as much as digits as its factorization.

12332023421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12332023421 its reverse (12432023321), we get a palindrome (24764046742).

The spelling of 12332023421 in words is "twelve billion, three hundred thirty-two million, twenty-three thousand, four hundred twenty-one".