20023102223 has 4 divisors (see below), whose sum is σ = 20027609280. Its totient is φ = 20018595168.

The previous prime is 20023102217. The next prime is 20023102241. The reversal of 20023102223 is 32220132002.

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 20023102223 - 2⁴ = 20023102207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023102243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246858 + ... + 2255751.

It is an arithmetic number, because the mean of its divisors is an integer number (5006902320).

Almost surely, 2^20023102223 is an apocalyptic number.

20023102223 is a deficient number, since it is larger than the sum of its proper divisors (4507057).

20023102223 is an equidigital number, since it uses as much as digits as its factorization.

20023102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507056.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20023102223 its reverse (32220132002), we get a palindrome (52243234225).

The spelling of 20023102223 in words is "twenty billion, twenty-three million, one hundred two thousand, two hundred twenty-three".