201323016 has 32 divisors (see below), whose sum is σ = 559231200. Its totient is φ = 67107600.

The previous prime is 201322981. The next prime is 201323029. The reversal of 201323016 is 610323102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 201323016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465810 + ... + 466241.

It is an arithmetic number, because the mean of its divisors is an integer number (17475975).

Almost surely, 2^201323016 is an apocalyptic number.

It is an amenable number.

201323016 is an abundant number, since it is smaller than the sum of its proper divisors (357908184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201323016 is a wasteful number, since it uses less digits than its factorization.

201323016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932066 (or 932056 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 201323016 is about 14188.8342015826. The cubic root of 201323016 is about 586.0902220654.

Adding to 201323016 its reverse (610323102), we get a palindrome (811646118).

The spelling of 201323016 in words is "two hundred one million, three hundred twenty-three thousand, sixteen".