11212323943 has 2 divisors, whose sum is σ = 11212323944. Its totient is φ = 11212323942.

The previous prime is 11212323923. The next prime is 11212324033. The reversal of 11212323943 is 34932321211.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34932321211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11212323943 - 2²¹ = 11210226791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212323923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606161971 + 5606161972.

It is an arithmetic number, because the mean of its divisors is an integer number (5606161972).

Almost surely, 2^11212323943 is an apocalyptic number.

11212323943 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212323943 is an equidigital number, since it uses as much as digits as its factorization.

11212323943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The spelling of 11212323943 in words is "eleven billion, two hundred twelve million, three hundred twenty-three thousand, nine hundred forty-three".