163023323 has 4 divisors (see below), whose sum is σ = 163080648. Its totient is φ = 162966000.

The previous prime is 163023299. The next prime is 163023331. The reversal of 163023323 is 323320361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163023323 - 2¹⁶ = 162957787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163023383) 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 in 3 ways as a sum of consecutive naturals, for example, 24161 + ... + 30162.

It is an arithmetic number, because the mean of its divisors is an integer number (40770162).

Almost surely, 2^163023323 is an apocalyptic number.

163023323 is a deficient number, since it is larger than the sum of its proper divisors (57325).

163023323 is an equidigital number, since it uses as much as digits as its factorization.

163023323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57324.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 163023323 is about 12768.0587013062. The cubic root of 163023323 is about 546.2816097064.

Adding to 163023323 its reverse (323320361), we get a palindrome (486343684).

The spelling of 163023323 in words is "one hundred sixty-three million, twenty-three thousand, three hundred twenty-three".