201323232020001 has 64 divisors (see below), whose sum is σ = 341313411622400. Its totient is φ = 103322406290688.

The previous prime is 201323232019963. The next prime is 201323232020063. The reversal of 201323232020001 is 100020232323102.

It is a happy number.

It is not a de Polignac number, because 201323232020001 - 2⁹ = 201323232019489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 201323232020001.

It is not an unprimeable number, because it can be changed into a prime (201323232020201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57260446 + ... + 60674583.

It is an arithmetic number, because the mean of its divisors is an integer number (5333022056600).

Almost surely, 2^{201323232020001} is an apocalyptic number.

201323232020001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201323232020001 is a deficient number, since it is larger than the sum of its proper divisors (139990179602399).

201323232020001 is a wasteful number, since it uses less digits than its factorization.

201323232020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117935115 (or 117935089 counting only the distinct ones).

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

Adding to 201323232020001 its reverse (100020232323102), we get a palindrome (301343464343103).

The spelling of 201323232020001 in words is "two hundred one trillion, three hundred twenty-three billion, two hundred thirty-two million, twenty thousand, one".