323216901 has 48 divisors (see below), whose sum is σ = 543763584. Its totient is φ = 181204992.

The previous prime is 323216863. The next prime is 323216947. The reversal of 323216901 is 109612323.

It is not a de Polignac number, because 323216901 - 2⁶ = 323216837 is a prime.

It is a super-3 number, since 3×323216901³ (a number of 27 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323216701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1387081 + ... + 1387313.

It is an arithmetic number, because the mean of its divisors is an integer number (11328408).

Almost surely, 2^323216901 is an apocalyptic number.

It is an amenable number.

323216901 is a deficient number, since it is larger than the sum of its proper divisors (220546683).

323216901 is a wasteful number, since it uses less digits than its factorization.

323216901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 323216901 is about 17978.2340901436. The cubic root of 323216901 is about 686.2747506178.

The spelling of 323216901 in words is "three hundred twenty-three million, two hundred sixteen thousand, nine hundred one".