6404306423 has 2 divisors, whose sum is σ = 6404306424. Its totient is φ = 6404306422.

The previous prime is 6404306387. The next prime is 6404306443. The reversal of 6404306423 is 3246034046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6404306423 - 2²² = 6400112119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6404306423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6404306443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202153211 + 3202153212.

It is an arithmetic number, because the mean of its divisors is an integer number (3202153212).

Almost surely, 2^6404306423 is an apocalyptic number.

6404306423 is a deficient number, since it is larger than the sum of its proper divisors (1).

6404306423 is an equidigital number, since it uses as much as digits as its factorization.

6404306423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 32.

The square root of 6404306423 is about 80026.9106176166. The cubic root of 6404306423 is about 1857.0518701800.

The spelling of 6404306423 in words is "six billion, four hundred four million, three hundred six thousand, four hundred twenty-three".