201322030023 has 48 divisors (see below), whose sum is σ = 321334041600. Its totient is φ = 120963352320.

The previous prime is 201322029977. The next prime is 201322030031. The reversal of 201322030023 is 320030223102.

It is a happy number.

201322030023 is a `hidden beast` number, since 20 + 1 + 322 + 0 + 300 + 23 = 666.

It is not a de Polignac number, because 201322030023 - 2¹⁴ = 201322013639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201322029978 and 201322030005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201322030093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9090 + ... + 634607.

It is an arithmetic number, because the mean of its divisors is an integer number (6694459200).

Almost surely, 2^201322030023 is an apocalyptic number.

201322030023 is a deficient number, since it is larger than the sum of its proper divisors (120012011577).

201322030023 is a wasteful number, since it uses less digits than its factorization.

201322030023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643812 (or 643809 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 201322030023 its reverse (320030223102), we get a palindrome (521352253125).

The spelling of 201322030023 in words is "two hundred one billion, three hundred twenty-two million, thirty thousand, twenty-three".