10500304123 has 2 divisors, whose sum is σ = 10500304124. Its totient is φ = 10500304122.

The previous prime is 10500304109. The next prime is 10500304147. The reversal of 10500304123 is 32140300501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10500304123 - 2⁵ = 10500304091 is a prime.

It is a super-2 number, since 2×10500304123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10500304123.

It is not a weakly prime, because it can be changed into another prime (10500307123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250152061 + 5250152062.

It is an arithmetic number, because the mean of its divisors is an integer number (5250152062).

Almost surely, 2^10500304123 is an apocalyptic number.

10500304123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500304123 is an equidigital number, since it uses as much as digits as its factorization.

10500304123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 10500304123 its reverse (32140300501), we get a palindrome (42640604624).

The spelling of 10500304123 in words is "ten billion, five hundred million, three hundred four thousand, one hundred twenty-three".