11103130034123 has 4 divisors (see below), whose sum is σ = 11113594813728. Its totient is φ = 11092665254520.

The previous prime is 11103130034119. The next prime is 11103130034167. The reversal of 11103130034123 is 32143003130111.

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 11103130034123 - 2² = 11103130034119 is a prime.

It is a super-2 number, since 2×11103130034123² (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 (11103130004123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5232388211 + ... + 5232390332.

It is an arithmetic number, because the mean of its divisors is an integer number (2778398703432).

Almost surely, 2^{11103130034123} is an apocalyptic number.

11103130034123 is a deficient number, since it is larger than the sum of its proper divisors (10464779605).

11103130034123 is a wasteful number, since it uses less digits than its factorization.

11103130034123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10464779604.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11103130034123 its reverse (32143003130111), we get a palindrome (43246133164234).

The spelling of 11103130034123 in words is "eleven trillion, one hundred three billion, one hundred thirty million, thirty-four thousand, one hundred twenty-three".