11331122031223 has 2 divisors, whose sum is σ = 11331122031224. Its totient is φ = 11331122031222.

The previous prime is 11331122031217. The next prime is 11331122031263. The reversal of 11331122031223 is 32213022113311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331122031223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331122031263) 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, 5665561015611 + 5665561015612.

It is an arithmetic number, because the mean of its divisors is an integer number (5665561015612).

Almost surely, 2^{11331122031223} is an apocalyptic number.

11331122031223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331122031223 is an equidigital number, since it uses as much as digits as its factorization.

11331122031223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11331122031223 its reverse (32213022113311), we get a palindrome (43544144144534).

The spelling of 11331122031223 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-two million, thirty-one thousand, two hundred twenty-three".