10123001117 has 2 divisors, whose sum is σ = 10123001118. Its totient is φ = 10123001116.

The previous prime is 10123001111. The next prime is 10123001129. The reversal of 10123001117 is 71110032101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7413382201 + 2709618916 = 86101^2 + 52054^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123001117 - 2¹⁰ = 10123000093 is a prime.

It is a super-2 number, since 2×10123001117² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10123001095 and 10123001104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123001111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061500558 + 5061500559.

It is an arithmetic number, because the mean of its divisors is an integer number (5061500559).

Almost surely, 2^10123001117 is an apocalyptic number.

It is an amenable number.

10123001117 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123001117 is an equidigital number, since it uses as much as digits as its factorization.

10123001117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 17.

Adding to 10123001117 its reverse (71110032101), we get a palindrome (81233033218).

The spelling of 10123001117 in words is "ten billion, one hundred twenty-three million, one thousand, one hundred seventeen".