123310003 has 2 divisors, whose sum is σ = 123310004. Its totient is φ = 123310002.

The previous prime is 123309913. The next prime is 123310009. The reversal of 123310003 is 300013321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123310003 - 2⁹ = 123309491 is a prime.

It is not a weakly prime, because it can be changed into another prime (123310009) 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, 61655001 + 61655002.

It is an arithmetic number, because the mean of its divisors is an integer number (61655002).

Almost surely, 2^123310003 is an apocalyptic number.

123310003 is a deficient number, since it is larger than the sum of its proper divisors (1).

123310003 is an equidigital number, since it uses as much as digits as its factorization.

123310003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 123310003 is about 11104.5037259663. The cubic root of 123310003 is about 497.7364387110.

Adding to 123310003 its reverse (300013321), we get a palindrome (423323324).

It can be divided in two parts, 1233 and 10003, that added together give a square (11236 = 106²).

The spelling of 123310003 in words is "one hundred twenty-three million, three hundred ten thousand, three".