11223442403231 has 2 divisors, whose sum is σ = 11223442403232. Its totient is φ = 11223442403230.

The previous prime is 11223442403197. The next prime is 11223442403269. The reversal of 11223442403231 is 13230424432211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11223442403231 - 2¹⁴ = 11223442386847 is a prime.

It is a super-2 number, since 2×11223442403231² (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 (11223442403531) 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, 5611721201615 + 5611721201616.

It is an arithmetic number, because the mean of its divisors is an integer number (5611721201616).

Almost surely, 2^{11223442403231} is an apocalyptic number.

11223442403231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223442403231 is an equidigital number, since it uses as much as digits as its factorization.

11223442403231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 11223442403231 its reverse (13230424432211), we get a palindrome (24453866835442).

The spelling of 11223442403231 in words is "eleven trillion, two hundred twenty-three billion, four hundred forty-two million, four hundred three thousand, two hundred thirty-one".