8609936123 has 2 divisors, whose sum is σ = 8609936124. Its totient is φ = 8609936122.

The previous prime is 8609936087. The next prime is 8609936143. The reversal of 8609936123 is 3216399068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8609936123 - 2¹⁰ = 8609935099 is a prime.

It is a super-2 number, since 2×8609936123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8609936143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4304968061 + 4304968062.

It is an arithmetic number, because the mean of its divisors is an integer number (4304968062).

Almost surely, 2^8609936123 is an apocalyptic number.

8609936123 is a deficient number, since it is larger than the sum of its proper divisors (1).

8609936123 is an equidigital number, since it uses as much as digits as its factorization.

8609936123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 8609936123 is about 92789.7414750144. The cubic root of 8609936123 is about 2049.5883466905.

The spelling of 8609936123 in words is "eight billion, six hundred nine million, nine hundred thirty-six thousand, one hundred twenty-three".