123320003 has 2 divisors, whose sum is σ = 123320004. Its totient is φ = 123320002.

The previous prime is 123319993. The next prime is 123320033. The reversal of 123320003 is 300023321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123320003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123320003.

It is not a weakly prime, because it can be changed into another prime (123320033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660001 + 61660002.

It is an arithmetic number, because the mean of its divisors is an integer number (61660002).

Almost surely, 2^123320003 is an apocalyptic number.

123320003 is a deficient number, since it is larger than the sum of its proper divisors (1).

123320003 is an equidigital number, since it uses as much as digits as its factorization.

123320003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 123320003 is about 11104.9539845962. The cubic root of 123320003 is about 497.7498932287.

Adding to 123320003 its reverse (300023321), we get a palindrome (423343324).

The spelling of 123320003 in words is "one hundred twenty-three million, three hundred twenty thousand, three".