501323233213 has 32 divisors (see below), whose sum is σ = 582640128000. Its totient is φ = 426551368320.

The previous prime is 501323233193. The next prime is 501323233219. The reversal of 501323233213 is 312332323105.

It is not a de Polignac number, because 501323233213 - 2⁹ = 501323232701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501323233219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23407956 + ... + 23429362.

It is an arithmetic number, because the mean of its divisors is an integer number (18207504000).

Almost surely, 2^501323233213 is an apocalyptic number.

It is an amenable number.

501323233213 is a deficient number, since it is larger than the sum of its proper divisors (81316894787).

501323233213 is a wasteful number, since it uses less digits than its factorization.

501323233213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22785.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 501323233213 its reverse (312332323105), we get a palindrome (813655556318).

The spelling of 501323233213 in words is "five hundred one billion, three hundred twenty-three million, two hundred thirty-three thousand, two hundred thirteen".