823538383 has 2 divisors, whose sum is σ = 823538384. Its totient is φ = 823538382.

The previous prime is 823538381. The next prime is 823538393. The reversal of 823538383 is 383835328.

823538383 is digitally balanced in base 2, 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 823538383 - 2¹ = 823538381 is a prime.

Together with 823538381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (823538381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411769191 + 411769192.

It is an arithmetic number, because the mean of its divisors is an integer number (411769192).

Almost surely, 2^823538383 is an apocalyptic number.

823538383 is a deficient number, since it is larger than the sum of its proper divisors (1).

823538383 is an equidigital number, since it uses as much as digits as its factorization.

823538383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The square root of 823538383 is about 28697.3584672875. The cubic root of 823538383 is about 937.3345279035.

The spelling of 823538383 in words is "eight hundred twenty-three million, five hundred thirty-eight thousand, three hundred eighty-three".