100303100123 has 2 divisors, whose sum is σ = 100303100124. Its totient is φ = 100303100122.

The previous prime is 100303100113. The next prime is 100303100153. The reversal of 100303100123 is 321001303001.

It is a weak prime.

It is an emirp because it is prime and its reverse (321001303001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100303100123 - 2⁶ = 100303100059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100303100098 and 100303100107.

It is not a weakly prime, because it can be changed into another prime (100303100113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50151550061 + 50151550062.

It is an arithmetic number, because the mean of its divisors is an integer number (50151550062).

Almost surely, 2^100303100123 is an apocalyptic number.

100303100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

100303100123 is an equidigital number, since it uses as much as digits as its factorization.

100303100123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 100303100123 its reverse (321001303001), we get a palindrome (421304403124).

The spelling of 100303100123 in words is "one hundred billion, three hundred three million, one hundred thousand, one hundred twenty-three".