163423008 has 120 divisors (see below), whose sum is σ = 549343872. Its totient is φ = 46687104.

The previous prime is 163423003. The next prime is 163423019. The reversal of 163423008 is 800324361.

It is a happy number.

163423008 is a `hidden beast` number, since 1 + 634 + 23 + 0 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (163423003) 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 in 19 ways as a sum of consecutive naturals, for example, 13641 + ... + 22647.

Almost surely, 2^163423008 is an apocalyptic number.

163423008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163423008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274671936).

163423008 is an abundant number, since it is smaller than the sum of its proper divisors (385920864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163423008 is an equidigital number, since it uses as much as digits as its factorization.

163423008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9036 (or 9019 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 163423008 is about 12783.7008725955. The cubic root of 163423008 is about 546.7276856999.

Adding to 163423008 its reverse (800324361), we get a palindrome (963747369).

It can be divided in two parts, 1634 and 23008, that added together give a palindrome (24642).

The spelling of 163423008 in words is "one hundred sixty-three million, four hundred twenty-three thousand, eight".