8423474123 has 2 divisors, whose sum is σ = 8423474124. Its totient is φ = 8423474122.

The previous prime is 8423474119. The next prime is 8423474159. The reversal of 8423474123 is 3214743248.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8423474123 - 2² = 8423474119 is a prime.

It is not a weakly prime, because it can be changed into another prime (8423474923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211737061 + 4211737062.

It is an arithmetic number, because the mean of its divisors is an integer number (4211737062).

Almost surely, 2^8423474123 is an apocalyptic number.

8423474123 is a deficient number, since it is larger than the sum of its proper divisors (1).

8423474123 is an equidigital number, since it uses as much as digits as its factorization.

8423474123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 38.

The square root of 8423474123 is about 91779.4863953814. The cubic root of 8423474123 is about 2034.6845249440.

The spelling of 8423474123 in words is "eight billion, four hundred twenty-three million, four hundred seventy-four thousand, one hundred twenty-three".