11103030123 has 16 divisors (see below), whose sum is σ = 15754448160. Its totient is φ = 6931237376.

The previous prime is 11103030077. The next prime is 11103030137. The reversal of 11103030123 is 32103030111.

It is a cyclic number.

It is not a de Polignac number, because 11103030123 - 2⁹ = 11103029611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11103030023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542508 + ... + 562601.

It is an arithmetic number, because the mean of its divisors is an integer number (984653010).

Almost surely, 2^11103030123 is an apocalyptic number.

11103030123 is a deficient number, since it is larger than the sum of its proper divisors (4651418037).

11103030123 is a wasteful number, since it uses less digits than its factorization.

11103030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105326.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11103030123 its reverse (32103030111), we get a palindrome (43206060234).

The spelling of 11103030123 in words is "eleven billion, one hundred three million, thirty thousand, one hundred twenty-three".