11013123223123 has 4 divisors (see below), whose sum is σ = 12586426540720. Its totient is φ = 9439819905528.

The previous prime is 11013123223117. The next prime is 11013123223139. The reversal of 11013123223123 is 32132232131011.

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 11013123223123 - 2²⁹ = 11012586352211 is a prime.

It is a super-2 number, since 2×11013123223123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013123221123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786651658788 + ... + 786651658801.

It is an arithmetic number, because the mean of its divisors is an integer number (3146606635180).

Almost surely, 2^{11013123223123} is an apocalyptic number.

11013123223123 is a deficient number, since it is larger than the sum of its proper divisors (1573303317597).

11013123223123 is an equidigital number, since it uses as much as digits as its factorization.

11013123223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573303317596.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11013123223123 its reverse (32132232131011), we get a palindrome (43145355354134).

The spelling of 11013123223123 in words is "eleven trillion, thirteen billion, one hundred twenty-three million, two hundred twenty-three thousand, one hundred twenty-three".