20223143003243 has 4 divisors (see below), whose sum is σ = 20716390393608. Its totient is φ = 19729895612880.

The previous prime is 20223143003207. The next prime is 20223143003281. The reversal of 20223143003243 is 34230034132202.

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 20223143003243 - 2⁶ = 20223143003179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223149003243) 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, 246623695121 + ... + 246623695202.

It is an arithmetic number, because the mean of its divisors is an integer number (5179097598402).

Almost surely, 2^{20223143003243} is an apocalyptic number.

20223143003243 is a deficient number, since it is larger than the sum of its proper divisors (493247390365).

20223143003243 is an equidigital number, since it uses as much as digits as its factorization.

20223143003243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493247390364.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 20223143003243 its reverse (34230034132202), we get a palindrome (54453177135445).

The spelling of 20223143003243 in words is "twenty trillion, two hundred twenty-three billion, one hundred forty-three million, three thousand, two hundred forty-three".