12320321003 has 2 divisors, whose sum is σ = 12320321004. Its totient is φ = 12320321002.

The previous prime is 12320320973. The next prime is 12320321021. The reversal of 12320321003 is 30012302321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12320321003 - 2²² = 12316126699 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12320321023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160160501 + 6160160502.

It is an arithmetic number, because the mean of its divisors is an integer number (6160160502).

Almost surely, 2^12320321003 is an apocalyptic number.

12320321003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320321003 is an equidigital number, since it uses as much as digits as its factorization.

12320321003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12320321003 its reverse (30012302321), we get a palindrome (42332623324).

The spelling of 12320321003 in words is "twelve billion, three hundred twenty million, three hundred twenty-one thousand, three".