11311333123 has 2 divisors, whose sum is σ = 11311333124. Its totient is φ = 11311333122.

The previous prime is 11311333081. The next prime is 11311333127. The reversal of 11311333123 is 32133311311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11311333123 - 2⁹ = 11311332611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11311333094 and 11311333103.

It is not a weakly prime, because it can be changed into another prime (11311333127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655666561 + 5655666562.

It is an arithmetic number, because the mean of its divisors is an integer number (5655666562).

Almost surely, 2^11311333123 is an apocalyptic number.

11311333123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311333123 is an equidigital number, since it uses as much as digits as its factorization.

11311333123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 22.

Adding to 11311333123 its reverse (32133311311), we get a palindrome (43444644434).

The spelling of 11311333123 in words is "eleven billion, three hundred eleven million, three hundred thirty-three thousand, one hundred twenty-three".