8123682553843 has 2 divisors, whose sum is σ = 8123682553844. Its totient is φ = 8123682553842.

The previous prime is 8123682553841. The next prime is 8123682553871. The reversal of 8123682553843 is 3483552863218.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8123682553843 - 2¹ = 8123682553841 is a prime.

It is a super-2 number, since 2×8123682553843² (a number of 27 digits) contains 22 as substring.

Together with 8123682553841, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8123682553841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4061841276921 + 4061841276922.

It is an arithmetic number, because the mean of its divisors is an integer number (4061841276922).

Almost surely, 2^{8123682553843} is an apocalyptic number.

8123682553843 is a deficient number, since it is larger than the sum of its proper divisors (1).

8123682553843 is an equidigital number, since it uses as much as digits as its factorization.

8123682553843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33177600, while the sum is 58.

The spelling of 8123682553843 in words is "eight trillion, one hundred twenty-three billion, six hundred eighty-two million, five hundred fifty-three thousand, eight hundred forty-three".