163982723 has 2 divisors, whose sum is σ = 163982724. Its totient is φ = 163982722.

The previous prime is 163982719. The next prime is 163982759. The reversal of 163982723 is 327289361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163982723 - 2² = 163982719 is a prime.

It is not a weakly prime, because it can be changed into another prime (163982783) 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, 81991361 + 81991362.

It is an arithmetic number, because the mean of its divisors is an integer number (81991362).

Almost surely, 2^163982723 is an apocalyptic number.

163982723 is a deficient number, since it is larger than the sum of its proper divisors (1).

163982723 is an equidigital number, since it uses as much as digits as its factorization.

163982723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 163982723 is about 12805.5739035781. The cubic root of 163982723 is about 547.3511454271.

The spelling of 163982723 in words is "one hundred sixty-three million, nine hundred eighty-two thousand, seven hundred twenty-three".