6626423 has 2 divisors, whose sum is σ = 6626424. Its totient is φ = 6626422.

The previous prime is 6626407. The next prime is 6626443. The reversal of 6626423 is 3246266.

6626423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6626423 - 2⁴ = 6626407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6626443) 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, 3313211 + 3313212.

It is an arithmetic number, because the mean of its divisors is an integer number (3313212).

Almost surely, 2^6626423 is an apocalyptic number.

6626423 is a deficient number, since it is larger than the sum of its proper divisors (1).

6626423 is an equidigital number, since it uses as much as digits as its factorization.

6626423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

The square root of 6626423 is about 2574.1839483611. The cubic root of 6626423 is about 187.8277337789.

The spelling of 6626423 in words is "six million, six hundred twenty-six thousand, four hundred twenty-three".