201323552052 has 24 divisors (see below), whose sum is σ = 536862805696. Its totient is φ = 57521014848.

The previous prime is 201323552051. The next prime is 201323552083. The reversal of 201323552052 is 250255323102.

It is a super-2 number, since 2×201323552052² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201323552051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198354393 + ... + 1198354560.

Almost surely, 2^201323552052 is an apocalyptic number.

It is an amenable number.

201323552052 is an abundant number, since it is smaller than the sum of its proper divisors (335539253644).

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

201323552052 is a wasteful number, since it uses less digits than its factorization.

201323552052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396708967 (or 2396708965 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 201323552052 its reverse (250255323102), we get a palindrome (451578875154).

The spelling of 201323552052 in words is "two hundred one billion, three hundred twenty-three million, five hundred fifty-two thousand, fifty-two".