123111203002003 has 2 divisors, whose sum is σ = 123111203002004. Its totient is φ = 123111203002002.

The previous prime is 123111203001991. The next prime is 123111203002103. The reversal of 123111203002003 is 300200302111321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123111203002003 is a prime.

It is not a weakly prime, because it can be changed into another prime (123111203002103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61555601501001 + 61555601501002.

It is an arithmetic number, because the mean of its divisors is an integer number (61555601501002).

Almost surely, 2^{123111203002003} is an apocalyptic number.

123111203002003 is a deficient number, since it is larger than the sum of its proper divisors (1).

123111203002003 is an equidigital number, since it uses as much as digits as its factorization.

123111203002003 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 19.

Adding to 123111203002003 its reverse (300200302111321), we get a palindrome (423311505113324).

The spelling of 123111203002003 in words is "one hundred twenty-three trillion, one hundred eleven billion, two hundred three million, two thousand, three".