823483643 has 2 divisors, whose sum is σ = 823483644. Its totient is φ = 823483642.

The previous prime is 823483637. The next prime is 823483649. The reversal of 823483643 is 346384328.

It is a balanced prime because it is at equal distance from previous prime (823483637) and next prime (823483649).

It is a cyclic number.

It is not a de Polignac number, because 823483643 - 2¹⁴ = 823467259 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 823483643.

It is not a weakly prime, because it can be changed into another prime (823483649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411741821 + 411741822.

It is an arithmetic number, because the mean of its divisors is an integer number (411741822).

Almost surely, 2^823483643 is an apocalyptic number.

823483643 is a deficient number, since it is larger than the sum of its proper divisors (1).

823483643 is an equidigital number, since it uses as much as digits as its factorization.

823483643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 41.

The square root of 823483643 is about 28696.4047051194. The cubic root of 823483643 is about 937.3137594608.

The spelling of 823483643 in words is "eight hundred twenty-three million, four hundred eighty-three thousand, six hundred forty-three".