13323309999943 has 2 divisors, whose sum is σ = 13323309999944. Its totient is φ = 13323309999942.

The previous prime is 13323309999941. The next prime is 13323310000001. The reversal of 13323309999943 is 34999990332331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13323309999943 - 2¹ = 13323309999941 is a prime.

It is a super-2 number, since 2×13323309999943² (a number of 27 digits) contains 22 as substring.

Together with 13323309999941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13323309999941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661654999971 + 6661654999972.

It is an arithmetic number, because the mean of its divisors is an integer number (6661654999972).

Almost surely, 2^{13323309999943} is an apocalyptic number.

13323309999943 is a deficient number, since it is larger than the sum of its proper divisors (1).

13323309999943 is an equidigital number, since it uses as much as digits as its factorization.

13323309999943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114791256, while the sum is 67.

The spelling of 13323309999943 in words is "thirteen trillion, three hundred twenty-three billion, three hundred nine million, nine hundred ninety-nine thousand, nine hundred forty-three".