983223823 has 2 divisors, whose sum is σ = 983223824. Its totient is φ = 983223822.

The previous prime is 983223821. The next prime is 983223827. The reversal of 983223823 is 328322389.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 983223823 - 2¹ = 983223821 is a prime.

It is a super-2 number, since 2×983223823² = 1933458172229470658, which contains 22 as substring.

Together with 983223821, 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 (983223821) 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, 491611911 + 491611912.

It is an arithmetic number, because the mean of its divisors is an integer number (491611912).

Almost surely, 2^983223823 is an apocalyptic number.

983223823 is a deficient number, since it is larger than the sum of its proper divisors (1).

983223823 is an equidigital number, since it uses as much as digits as its factorization.

983223823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 983223823 is about 31356.4000325292. The cubic root of 983223823 is about 994.3763751259.

The spelling of 983223823 in words is "nine hundred eighty-three million, two hundred twenty-three thousand, eight hundred twenty-three".