201023223230001 has 16 divisors (see below), whose sum is σ = 268629437664000. Its totient is φ = 133716248859648.

The previous prime is 201023223229999. The next prime is 201023223230017. The reversal of 201023223230001 is 100032322320102.

It is a happy number.

It is not a de Polignac number, because 201023223230001 - 2¹ = 201023223229999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201023223230001.

It is not an unprimeable number, because it can be changed into a prime (201023223230021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337579960 + ... + 338174918.

It is an arithmetic number, because the mean of its divisors is an integer number (16789339854000).

Almost surely, 2^{201023223230001} is an apocalyptic number.

It is an amenable number.

201023223230001 is a deficient number, since it is larger than the sum of its proper divisors (67606214433999).

201023223230001 is a wasteful number, since it uses less digits than its factorization.

201023223230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846248.

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

Adding to 201023223230001 its reverse (100032322320102), we get a palindrome (301055545550103).

The spelling of 201023223230001 in words is "two hundred one trillion, twenty-three billion, two hundred twenty-three million, two hundred thirty thousand, one".