201023023323 has 16 divisors (see below), whose sum is σ = 268390765440. Its totient is φ = 133835397696.

The previous prime is 201023023321. The next prime is 201023023351. The reversal of 201023023323 is 323320320102.

It is not a de Polignac number, because 201023023323 - 2¹ = 201023023321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201023023323.

It is not an unprimeable number, because it can be changed into a prime (201023023321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13448788 + ... + 13463726.

It is an arithmetic number, because the mean of its divisors is an integer number (16774422840).

Almost surely, 2^201023023323 is an apocalyptic number.

201023023323 is a deficient number, since it is larger than the sum of its proper divisors (67367742117).

201023023323 is a wasteful number, since it uses less digits than its factorization.

201023023323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20666.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 201023023323 its reverse (323320320102), we get a palindrome (524343343425).

The spelling of 201023023323 in words is "two hundred one billion, twenty-three million, twenty-three thousand, three hundred twenty-three".