12320023 has 2 divisors, whose sum is σ = 12320024. Its totient is φ = 12320022.

The previous prime is 12320017. The next prime is 12320047. The reversal of 12320023 is 32002321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12320023 - 2⁹ = 12319511 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12319985 and 12320012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160011 + 6160012.

It is an arithmetic number, because the mean of its divisors is an integer number (6160012).

Almost surely, 2^12320023 is an apocalyptic number.

12320023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320023 is an equidigital number, since it uses as much as digits as its factorization.

12320023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 12320023 is about 3509.9890313219. The cubic root of 12320023 is about 230.9602137834.

Adding to 12320023 its reverse (32002321), we get a palindrome (44322344).

The spelling of 12320023 in words is "twelve million, three hundred twenty thousand, twenty-three".