823939283 has 2 divisors, whose sum is σ = 823939284. Its totient is φ = 823939282.

The previous prime is 823939231. The next prime is 823939339. The reversal of 823939283 is 382939328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 823939283 - 2¹⁰ = 823938259 is a prime.

It is not a weakly prime, because it can be changed into another prime (823939183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411969641 + 411969642.

It is an arithmetic number, because the mean of its divisors is an integer number (411969642).

Almost surely, 2^823939283 is an apocalyptic number.

823939283 is a deficient number, since it is larger than the sum of its proper divisors (1).

823939283 is an equidigital number, since it uses as much as digits as its factorization.

823939283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 823939283 is about 28704.3425808709. The cubic root of 823939283 is about 937.4866019537.

The spelling of 823939283 in words is "eight hundred twenty-three million, nine hundred thirty-nine thousand, two hundred eighty-three".