323821123 has 8 divisors (see below), whose sum is σ = 346453520. Its totient is φ = 301747680.

The previous prime is 323821111. The next prime is 323821129. The reversal of 323821123 is 321128323.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323821123 is a prime.

It is a super-2 number, since 2×323821123² = 209720239401962258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323821129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138540 + ... + 140857.

It is an arithmetic number, because the mean of its divisors is an integer number (43306690).

Almost surely, 2^323821123 is an apocalyptic number.

323821123 is a deficient number, since it is larger than the sum of its proper divisors (22632397).

323821123 is a wasteful number, since it uses less digits than its factorization.

323821123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279477.

The product of its digits is 1728, while the sum is 25.

The square root of 323821123 is about 17995.0305084487. The cubic root of 323821123 is about 686.7021253199.

Adding to 323821123 its reverse (321128323), we get a palindrome (644949446).

The spelling of 323821123 in words is "three hundred twenty-three million, eight hundred twenty-one thousand, one hundred twenty-three".