10005500123 has 2 divisors, whose sum is σ = 10005500124. Its totient is φ = 10005500122.

The previous prime is 10005500033. The next prime is 10005500189. The reversal of 10005500123 is 32100550001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10005500123 - 2²⁰ = 10004451547 is a prime.

It is a super-2 number, since 2×10005500123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10005505123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002750061 + 5002750062.

It is an arithmetic number, because the mean of its divisors is an integer number (5002750062).

Almost surely, 2^10005500123 is an apocalyptic number.

10005500123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10005500123 is an equidigital number, since it uses as much as digits as its factorization.

10005500123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The spelling of 10005500123 in words is "ten billion, five million, five hundred thousand, one hundred twenty-three".