20323230240223 has 24 divisors (see below), whose sum is σ = 21066704863344. Its totient is φ = 19591592716800.

The previous prime is 20323230240217. The next prime is 20323230240239. The reversal of 20323230240223 is 32204203232302.

It is not a de Polignac number, because 20323230240223 - 2¹⁷ = 20323230109151 is a prime.

It is a super-2 number, since 2×20323230240223² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20323230240191 and 20323230240200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323230240253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361781928 + ... + 361838098.

It is an arithmetic number, because the mean of its divisors is an integer number (877779369306).

Almost surely, 2^{20323230240223} is an apocalyptic number.

20323230240223 is a deficient number, since it is larger than the sum of its proper divisors (743474623121).

20323230240223 is an equidigital number, since it uses as much as digits as its factorization.

20323230240223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57003 (or 56866 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 20323230240223 its reverse (32204203232302), we get a palindrome (52527433472525).

The spelling of 20323230240223 in words is "twenty trillion, three hundred twenty-three billion, two hundred thirty million, two hundred forty thousand, two hundred twenty-three".