6426923 has 2 divisors, whose sum is σ = 6426924. Its totient is φ = 6426922.

The previous prime is 6426919. The next prime is 6426941. The reversal of 6426923 is 3296246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6426923 - 2² = 6426919 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6426923.

It is not a weakly prime, because it can be changed into another prime (6426983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213461 + 3213462.

It is an arithmetic number, because the mean of its divisors is an integer number (3213462).

Almost surely, 2^6426923 is an apocalyptic number.

6426923 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426923 is an equidigital number, since it uses as much as digits as its factorization.

6426923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 6426923 is about 2535.1376688456. The cubic root of 6426923 is about 185.9235339132.

The spelling of 6426923 in words is "six million, four hundred twenty-six thousand, nine hundred twenty-three".