6423493 has 2 divisors, whose sum is σ = 6423494. Its totient is φ = 6423492.

The previous prime is 6423481. The next prime is 6423497. The reversal of 6423493 is 3943246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6160324 + 263169 = 2482^2 + 513^2 .

It is a cyclic number.

It is not a de Polignac number, because 6423493 - 2⁹ = 6422981 is a prime.

It is a super-2 number, since 2×6423493² = 82522524642098, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁶ + 4⁸ + 2²¹ + 3⁴ + 4¹¹ + 9² + 3⁹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6423497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211746 + 3211747.

It is an arithmetic number, because the mean of its divisors is an integer number (3211747).

Almost surely, 2^6423493 is an apocalyptic number.

It is an amenable number.

6423493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6423493 is an equidigital number, since it uses as much as digits as its factorization.

6423493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 6423493 is about 2534.4610867007. The cubic root of 6423493 is about 185.8904527014.

The spelling of 6423493 in words is "six million, four hundred twenty-three thousand, four hundred ninety-three".