11103230310123 has 32 divisors (see below), whose sum is σ = 17413693300224. Its totient is φ = 6160005476352.

The previous prime is 11103230310089. The next prime is 11103230310149. The reversal of 11103230310123 is 32101303230111.

It is a happy number.

It is not a de Polignac number, because 11103230310123 - 2⁶ = 11103230310059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11103230310123.

It is not an unprimeable number, because it can be changed into a prime (11103230315123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14936790 + ... + 15662507.

It is an arithmetic number, because the mean of its divisors is an integer number (544177915632).

Almost surely, 2^{11103230310123} is an apocalyptic number.

11103230310123 is a deficient number, since it is larger than the sum of its proper divisors (6310462990101).

11103230310123 is a wasteful number, since it uses less digits than its factorization.

11103230310123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30599811.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11103230310123 its reverse (32101303230111), we get a palindrome (43204533540234).

The spelling of 11103230310123 in words is "eleven trillion, one hundred three billion, two hundred thirty million, three hundred ten thousand, one hundred twenty-three".