10013123 has 4 divisors (see below), whose sum is σ = 10125720. Its totient is φ = 9900528.

The previous prime is 10013111. The next prime is 10013137. The reversal of 10013123 is 32131001.

10013123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10013123 - 2²⁰ = 8964547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10013723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56165 + ... + 56342.

It is an arithmetic number, because the mean of its divisors is an integer number (2531430).

Almost surely, 2^10013123 is an apocalyptic number.

10013123 is a deficient number, since it is larger than the sum of its proper divisors (112597).

10013123 is an equidigital number, since it uses as much as digits as its factorization.

10013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112596.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 10013123 is about 3164.3519083692. The cubic root of 10013123 is about 215.5376699633.

Adding to 10013123 its reverse (32131001), we get a palindrome (42144124).

The spelling of 10013123 in words is "ten million, thirteen thousand, one hundred twenty-three".