100123321003 has 2 divisors, whose sum is σ = 100123321004. Its totient is φ = 100123321002.

The previous prime is 100123320991. The next prime is 100123321007. The reversal of 100123321003 is 300123321001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100123321003 - 2²⁹ = 99586450091 is a prime.

It is not a weakly prime, because it can be changed into another prime (100123321007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061660501 + 50061660502.

It is an arithmetic number, because the mean of its divisors is an integer number (50061660502).

Almost surely, 2^100123321003 is an apocalyptic number.

100123321003 is a deficient number, since it is larger than the sum of its proper divisors (1).

100123321003 is an equidigital number, since it uses as much as digits as its factorization.

100123321003 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 16.

Adding to 100123321003 its reverse (300123321001), we get a palindrome (400246642004).

The spelling of 100123321003 in words is "one hundred billion, one hundred twenty-three million, three hundred twenty-one thousand, three".