11033113123 has 2 divisors, whose sum is σ = 11033113124. Its totient is φ = 11033113122.

The previous prime is 11033113099. The next prime is 11033113129. The reversal of 11033113123 is 32131133011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11033113123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11033113123.

It is not a weakly prime, because it can be changed into another prime (11033113129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5516556561 + 5516556562.

It is an arithmetic number, because the mean of its divisors is an integer number (5516556562).

Almost surely, 2^11033113123 is an apocalyptic number.

11033113123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11033113123 is an equidigital number, since it uses as much as digits as its factorization.

11033113123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11033113123 its reverse (32131133011), we get a palindrome (43164246134).

The spelling of 11033113123 in words is "eleven billion, thirty-three million, one hundred thirteen thousand, one hundred twenty-three".