202113201323 has 16 divisors (see below), whose sum is σ = 221137992960. Its totient is φ = 183197397600.

The previous prime is 202113201307. The next prime is 202113201377. The reversal of 202113201323 is 323102311202.

It is a cyclic number.

It is not a de Polignac number, because 202113201323 - 2⁴ = 202113201307 is a prime.

It is a super-2 number, since 2×202113201323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202113201295 and 202113201304.

It is not an unprimeable number, because it can be changed into a prime (202113201623) 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, 8690036 + ... + 8713262.

It is an arithmetic number, because the mean of its divisors is an integer number (13821124560).

Almost surely, 2^202113201323 is an apocalyptic number.

202113201323 is a deficient number, since it is larger than the sum of its proper divisors (19024791637).

202113201323 is a wasteful number, since it uses less digits than its factorization.

202113201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25538.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 202113201323 its reverse (323102311202), we get a palindrome (525215512525).

The spelling of 202113201323 in words is "two hundred two billion, one hundred thirteen million, two hundred one thousand, three hundred twenty-three".