10004123031887 has 2 divisors, whose sum is σ = 10004123031888. Its totient is φ = 10004123031886.

The previous prime is 10004123031883. The next prime is 10004123031899. The reversal of 10004123031887 is 78813032140001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10004123031887 - 2² = 10004123031883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10004123031887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10004123031883) 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, 5002061515943 + 5002061515944.

It is an arithmetic number, because the mean of its divisors is an integer number (5002061515944).

Almost surely, 2^{10004123031887} is an apocalyptic number.

10004123031887 is a deficient number, since it is larger than the sum of its proper divisors (1).

10004123031887 is an equidigital number, since it uses as much as digits as its factorization.

10004123031887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

Adding to 10004123031887 its reverse (78813032140001), we get a palindrome (88817155171888).

The spelling of 10004123031887 in words is "ten trillion, four billion, one hundred twenty-three million, thirty-one thousand, eight hundred eighty-seven".