8423474831 has 2 divisors, whose sum is σ = 8423474832. Its totient is φ = 8423474830.

The previous prime is 8423474791. The next prime is 8423474833. The reversal of 8423474831 is 1384743248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8423474831 - 2⁶ = 8423474767 is a prime.

It is a super-2 number, since 2×8423474831² (a number of 21 digits) contains 22 as substring.

Together with 8423474833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8423474833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211737415 + 4211737416.

It is an arithmetic number, because the mean of its divisors is an integer number (4211737416).

Almost surely, 2^8423474831 is an apocalyptic number.

8423474831 is a deficient number, since it is larger than the sum of its proper divisors (1).

8423474831 is an equidigital number, since it uses as much as digits as its factorization.

8423474831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 44.

The square root of 8423474831 is about 91779.4902524524. The cubic root of 8423474831 is about 2034.6845819497.

The spelling of 8423474831 in words is "eight billion, four hundred twenty-three million, four hundred seventy-four thousand, eight hundred thirty-one".