6419423 has 2 divisors, whose sum is σ = 6419424. Its totient is φ = 6419422.

The previous prime is 6419419. The next prime is 6419431. The reversal of 6419423 is 3249146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6419423 - 2² = 6419419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6419443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209711 + 3209712.

It is an arithmetic number, because the mean of its divisors is an integer number (3209712).

Almost surely, 2^6419423 is an apocalyptic number.

6419423 is a deficient number, since it is larger than the sum of its proper divisors (1).

6419423 is an equidigital number, since it uses as much as digits as its factorization.

6419423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 6419423 is about 2533.6580274378. The cubic root of 6419423 is about 185.8511836210.

The spelling of 6419423 in words is "six million, four hundred nineteen thousand, four hundred twenty-three".