12320123 has 2 divisors, whose sum is σ = 12320124. Its totient is φ = 12320122.

The previous prime is 12320117. The next prime is 12320141. The reversal of 12320123 is 32102321.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32102321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12320123 - 2¹⁸ = 12057979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12320098 and 12320107.

It is not a weakly prime, because it can be changed into another prime (12320173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160061 + 6160062.

It is an arithmetic number, because the mean of its divisors is an integer number (6160062).

Almost surely, 2^12320123 is an apocalyptic number.

12320123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320123 is an equidigital number, since it uses as much as digits as its factorization.

12320123 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 14.

The square root of 12320123 is about 3510.0032763517. The cubic root of 12320123 is about 230.9608386729.

Adding to 12320123 its reverse (32102321), we get a palindrome (44422444).

The spelling of 12320123 in words is "twelve million, three hundred twenty thousand, one hundred twenty-three".