201123322320 has 40 divisors (see below), whose sum is σ = 623482299936. Its totient is φ = 53632885888.

The previous prime is 201123322297. The next prime is 201123322321. The reversal of 201123322320 is 23223321102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×201123322320³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201123322321) 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, 419006682 + ... + 419007161.

Almost surely, 2^201123322320 is an apocalyptic number.

201123322320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201123322320 is an abundant number, since it is smaller than the sum of its proper divisors (422358977616).

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

201123322320 is a wasteful number, since it uses less digits than its factorization.

201123322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838013859 (or 838013853 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201123322320 its reverse (23223321102), we get a palindrome (224346643422).

The spelling of 201123322320 in words is "two hundred one billion, one hundred twenty-three million, three hundred twenty-two thousand, three hundred twenty".