983235823 has 2 divisors, whose sum is σ = 983235824. Its totient is φ = 983235822.

The previous prime is 983235811. The next prime is 983235829. The reversal of 983235823 is 328532389.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 983235823 - 2⁵ = 983235791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 983235823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983235829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491617911 + 491617912.

It is an arithmetic number, because the mean of its divisors is an integer number (491617912).

Almost surely, 2^983235823 is an apocalyptic number.

983235823 is a deficient number, since it is larger than the sum of its proper divisors (1).

983235823 is an equidigital number, since it uses as much as digits as its factorization.

983235823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 983235823 is about 31356.5913804418. The cubic root of 983235823 is about 994.3804204809.

The spelling of 983235823 in words is "nine hundred eighty-three million, two hundred thirty-five thousand, eight hundred twenty-three".