501323 has 8 divisors (see below), whose sum is σ = 529200. Its totient is φ = 474208.

The previous prime is 501317. The next prime is 501341. The reversal of 501323 is 323105.

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

It is not a de Polignac number, because 501323 - 2¹⁰ = 500299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501298 and 501307.

It is not an unprimeable number, because it can be changed into a prime (501343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565 + ... + 1857.

It is an arithmetic number, because the mean of its divisors is an integer number (66150).

2⁵⁰¹³²³ is an apocalyptic number.

501323 is a deficient number, since it is larger than the sum of its proper divisors (27877).

501323 is a wasteful number, since it uses less digits than its factorization.

501323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 501323 is about 708.0416654407. The cubic root of 501323 is about 79.4399953315.

Adding to 501323 its reverse (323105), we get a palindrome (824428).

The spelling of 501323 in words is "five hundred one thousand, three hundred twenty-three".