11323221231013 has 2 divisors, whose sum is σ = 11323221231014. Its totient is φ = 11323221231012.

The previous prime is 11323221230963. The next prime is 11323221231017. The reversal of 11323221231013 is 31013212232311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11249436744324 + 73784486689 = 3354018^2 + 271633^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323221231013 - 2¹³ = 11323221222821 is a prime.

It is a super-2 number, since 2×11323221231013² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11323221231017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661610615506 + 5661610615507.

It is an arithmetic number, because the mean of its divisors is an integer number (5661610615507).

Almost surely, 2^{11323221231013} is an apocalyptic number.

It is an amenable number.

11323221231013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323221231013 is an equidigital number, since it uses as much as digits as its factorization.

11323221231013 is an evil number, because the sum of its binary digits is even.

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

Adding to 11323221231013 its reverse (31013212232311), we get a palindrome (42336433463324).

The spelling of 11323221231013 in words is "eleven trillion, three hundred twenty-three billion, two hundred twenty-one million, two hundred thirty-one thousand, thirteen".