165423004 has 24 divisors (see below), whose sum is σ = 298347728. Its totient is φ = 80196480.

The previous prime is 165422981. The next prime is 165423023. The reversal of 165423004 is 400324561.

165423004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 165423004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44539 + ... + 48109.

Almost surely, 2^165423004 is an apocalyptic number.

It is an amenable number.

165423004 is a deficient number, since it is larger than the sum of its proper divisors (132924724).

165423004 is a wasteful number, since it uses less digits than its factorization.

165423004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925 (or 3923 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 165423004 is about 12861.6874476097. The cubic root of 165423004 is about 548.9489613613.

Adding to 165423004 its reverse (400324561), we get a palindrome (565747565).

The spelling of 165423004 in words is "one hundred sixty-five million, four hundred twenty-three thousand, four".