20323002223223 has 4 divisors (see below), whose sum is σ = 23226288255120. Its totient is φ = 17419716191328.

The previous prime is 20323002223213. The next prime is 20323002223273. The reversal of 20323002223223 is 32232220032302.

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 20323002223223 - 2⁴ = 20323002223207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20323002223192 and 20323002223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323002223213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451643015938 + ... + 1451643015951.

It is an arithmetic number, because the mean of its divisors is an integer number (5806572063780).

Almost surely, 2^{20323002223223} is an apocalyptic number.

20323002223223 is a deficient number, since it is larger than the sum of its proper divisors (2903286031897).

20323002223223 is an equidigital number, since it uses as much as digits as its factorization.

20323002223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903286031896.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 20323002223223 its reverse (32232220032302), we get a palindrome (52555222255525).

The spelling of 20323002223223 in words is "twenty trillion, three hundred twenty-three billion, two million, two hundred twenty-three thousand, two hundred twenty-three".