201323264552 has 8 divisors (see below), whose sum is σ = 377481121050. Its totient is φ = 100661632272.

The previous prime is 201323264537. The next prime is 201323264557. The reversal of 201323264552 is 255462323102.

It can be written as a sum of positive squares in only one way, i.e., 127896355876 + 73426908676 = 357626^2 + 270974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (201323264557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12582704027 + ... + 12582704042.

Almost surely, 2^201323264552 is an apocalyptic number.

It is an amenable number.

201323264552 is a deficient number, since it is larger than the sum of its proper divisors (176157856498).

201323264552 is a wasteful number, since it uses less digits than its factorization.

201323264552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25165408075 (or 25165408071 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 201323264552 its reverse (255462323102), we get a palindrome (456785587654).

The spelling of 201323264552 in words is "two hundred one billion, three hundred twenty-three million, two hundred sixty-four thousand, five hundred fifty-two".