20231143003 has 4 divisors (see below), whose sum is σ = 20231695368. Its totient is φ = 20230590640.

The previous prime is 20231142991. The next prime is 20231143007. The reversal of 20231143003 is 30034113202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20231143003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20231143007) 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, 217018 + ... + 295903.

It is an arithmetic number, because the mean of its divisors is an integer number (5057923842).

Almost surely, 2^20231143003 is an apocalyptic number.

20231143003 is a deficient number, since it is larger than the sum of its proper divisors (552365).

20231143003 is an equidigital number, since it uses as much as digits as its factorization.

20231143003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552364.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20231143003 its reverse (30034113202), we get a palindrome (50265256205).

The spelling of 20231143003 in words is "twenty billion, two hundred thirty-one million, one hundred forty-three thousand, three".