201323210000 has 100 divisors (see below), whose sum is σ = 531735152784. Its totient is φ = 73208400000.

The previous prime is 201323209993. The next prime is 201323210029. The reversal of 201323210000 is 12323102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 805106 + ... + 1025105.

Almost surely, 2^201323210000 is an apocalyptic number.

201323210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201323210000 is an abundant number, since it is smaller than the sum of its proper divisors (330411942784).

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

201323210000 is a wasteful number, since it uses less digits than its factorization.

201323210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830250 (or 1830229 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 201323210000 its reverse (12323102), we get a palindrome (201335533102).

The spelling of 201323210000 in words is "two hundred one billion, three hundred twenty-three million, two hundred ten thousand".