8219423 has 2 divisors, whose sum is σ = 8219424. Its totient is φ = 8219422.

The previous prime is 8219411. The next prime is 8219429. The reversal of 8219423 is 3249128.

8219423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8219423 - 2¹² = 8215327 is a prime.

It is an Ulam number.

It is equal to p₅₅₃₅₅₆ and since 8219423 and 553556 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8219429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4109711 + 4109712.

It is an arithmetic number, because the mean of its divisors is an integer number (4109712).

Almost surely, 2^8219423 is an apocalyptic number.

8219423 is a deficient number, since it is larger than the sum of its proper divisors (1).

8219423 is an equidigital number, since it uses as much as digits as its factorization.

8219423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 8219423 is about 2866.9536096700. The cubic root of 8219423 is about 201.8120576521.

The spelling of 8219423 in words is "eight million, two hundred nineteen thousand, four hundred twenty-three".