8156795123 has 2 divisors, whose sum is σ = 8156795124. Its totient is φ = 8156795122.

The previous prime is 8156795111. The next prime is 8156795159. The reversal of 8156795123 is 3215976518.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8156795123 is a prime.

It is not a weakly prime, because it can be changed into another prime (8156795623) 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, 4078397561 + 4078397562.

It is an arithmetic number, because the mean of its divisors is an integer number (4078397562).

Almost surely, 2^8156795123 is an apocalyptic number.

8156795123 is a deficient number, since it is larger than the sum of its proper divisors (1).

8156795123 is an equidigital number, since it uses as much as digits as its factorization.

8156795123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 47.

The square root of 8156795123 is about 90314.9772905912. The cubic root of 8156795123 is about 2012.9818141842.

The spelling of 8156795123 in words is "eight billion, one hundred fifty-six million, seven hundred ninety-five thousand, one hundred twenty-three".