10001000123 has 2 divisors, whose sum is σ = 10001000124. Its totient is φ = 10001000122.

The previous prime is 10001000089. The next prime is 10001000129. The reversal of 10001000123 is 32100010001.

10001000123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10001000123 - 2²⁰ = 9999951547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10001000123.

It is not a weakly prime, because it can be changed into another prime (10001000129) 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, 5000500061 + 5000500062.

It is an arithmetic number, because the mean of its divisors is an integer number (5000500062).

Almost surely, 2^10001000123 is an apocalyptic number.

10001000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001000123 is an equidigital number, since it uses as much as digits as its factorization.

10001000123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 10001000123 its reverse (32100010001), we get a palindrome (42101010124).

The spelling of 10001000123 in words is "ten billion, one million, one hundred twenty-three", and thus it is an aban number.