11123412441523 has 2 divisors, whose sum is σ = 11123412441524. Its totient is φ = 11123412441522.

The previous prime is 11123412441377. The next prime is 11123412441541. The reversal of 11123412441523 is 32514421432111.

It is a strong prime.

It is an emirp because it is prime and its reverse (32514421432111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123412441523 is a prime.

It is not a weakly prime, because it can be changed into another prime (11123412441553) 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 as a sum of consecutive naturals, namely, 5561706220761 + 5561706220762.

It is an arithmetic number, because the mean of its divisors is an integer number (5561706220762).

Almost surely, 2^{11123412441523} is an apocalyptic number.

11123412441523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123412441523 is an equidigital number, since it uses as much as digits as its factorization.

11123412441523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

Adding to 11123412441523 its reverse (32514421432111), we get a palindrome (43637833873634).

The spelling of 11123412441523 in words is "eleven trillion, one hundred twenty-three billion, four hundred twelve million, four hundred forty-one thousand, five hundred twenty-three".