983666023 has 2 divisors, whose sum is σ = 983666024. Its totient is φ = 983666022.

The previous prime is 983666011. The next prime is 983666041. The reversal of 983666023 is 320666389.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-983666023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983666083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491833011 + 491833012.

It is an arithmetic number, because the mean of its divisors is an integer number (491833012).

Almost surely, 2^983666023 is an apocalyptic number.

983666023 is a deficient number, since it is larger than the sum of its proper divisors (1).

983666023 is an equidigital number, since it uses as much as digits as its factorization.

983666023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 983666023 is about 31363.4504319917. The cubic root of 983666023 is about 994.5254247183.

The spelling of 983666023 in words is "nine hundred eighty-three million, six hundred sixty-six thousand, twenty-three".