10091009123 has 16 divisors (see below), whose sum is σ = 10911134976. Its totient is φ = 9277234560.

The previous prime is 10091009111. The next prime is 10091009161. The reversal of 10091009123 is 32190019001.

It is a cyclic number.

It is not a de Polignac number, because 10091009123 - 2¹⁰ = 10091008099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10091009092 and 10091009101.

It is not an unprimeable number, because it can be changed into a prime (10091009183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5113565 + ... + 5115537.

It is an arithmetic number, because the mean of its divisors is an integer number (681945936).

Almost surely, 2^10091009123 is an apocalyptic number.

10091009123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10091009123 is a deficient number, since it is larger than the sum of its proper divisors (820125853).

10091009123 is a wasteful number, since it uses less digits than its factorization.

10091009123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374.

The product of its (nonzero) digits is 486, while the sum is 26.

The spelling of 10091009123 in words is "ten billion, ninety-one million, nine thousand, one hundred twenty-three".