202111023323 has 4 divisors (see below), whose sum is σ = 220484752728. Its totient is φ = 183737293920.

The previous prime is 202111023311. The next prime is 202111023343. The reversal of 202111023323 is 323320111202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202111023323 - 2⁴ = 202111023307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202111023295 and 202111023304.

It is not an unprimeable number, because it can be changed into a prime (202111023343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9186864686 + ... + 9186864707.

It is an arithmetic number, because the mean of its divisors is an integer number (55121188182).

Almost surely, 2^202111023323 is an apocalyptic number.

202111023323 is a deficient number, since it is larger than the sum of its proper divisors (18373729405).

202111023323 is a wasteful number, since it uses less digits than its factorization.

202111023323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18373729404.

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

Adding to 202111023323 its reverse (323320111202), we get a palindrome (525431134525).

The spelling of 202111023323 in words is "two hundred two billion, one hundred eleven million, twenty-three thousand, three hundred twenty-three".