10011123140243 has 4 divisors (see below), whose sum is σ = 10356334283040. Its totient is φ = 9665911997448.

The previous prime is 10011123140237. The next prime is 10011123140257. The reversal of 10011123140243 is 34204132111001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10011123140243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10011123140203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172605571355 + ... + 172605571412.

It is an arithmetic number, because the mean of its divisors is an integer number (2589083570760).

Almost surely, 2^{10011123140243} is an apocalyptic number.

10011123140243 is a deficient number, since it is larger than the sum of its proper divisors (345211142797).

10011123140243 is an equidigital number, since it uses as much as digits as its factorization.

10011123140243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345211142796.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 10011123140243 its reverse (34204132111001), we get a palindrome (44215255251244).

The spelling of 10011123140243 in words is "ten trillion, eleven billion, one hundred twenty-three million, one hundred forty thousand, two hundred forty-three".