8423423 has 2 divisors, whose sum is σ = 8423424. Its totient is φ = 8423422.

The previous prime is 8423419. The next prime is 8423447. The reversal of 8423423 is 3243248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8423423 - 2² = 8423419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8423392 and 8423401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8423473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211711 + 4211712.

It is an arithmetic number, because the mean of its divisors is an integer number (4211712).

Almost surely, 2^8423423 is an apocalyptic number.

8423423 is a deficient number, since it is larger than the sum of its proper divisors (1).

8423423 is an equidigital number, since it uses as much as digits as its factorization.

8423423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 26.

The square root of 8423423 is about 2902.3133876272. The cubic root of 8423423 is about 203.4680408694.

The spelling of 8423423 in words is "eight million, four hundred twenty-three thousand, four hundred twenty-three".