165423326 has 8 divisors (see below), whose sum is σ = 251630064. Its totient is φ = 81546640.

The previous prime is 165423319. The next prime is 165423341. The reversal of 165423326 is 623324561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 165423292 and 165423301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582335 + ... + 582618.

It is an arithmetic number, because the mean of its divisors is an integer number (31453758).

Almost surely, 2^165423326 is an apocalyptic number.

165423326 is a deficient number, since it is larger than the sum of its proper divisors (86206738).

165423326 is a wasteful number, since it uses less digits than its factorization.

165423326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165026.

The product of its digits is 25920, while the sum is 32.

The square root of 165423326 is about 12861.6999654012. The cubic root of 165423326 is about 548.9493175420.

Adding to 165423326 its reverse (623324561), we get a palindrome (788747887).

The spelling of 165423326 in words is "one hundred sixty-five million, four hundred twenty-three thousand, three hundred twenty-six".