20023130143 has 2 divisors, whose sum is σ = 20023130144. Its totient is φ = 20023130142.

The previous prime is 20023130129. The next prime is 20023130167. The reversal of 20023130143 is 34103132002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20023130143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20023130143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20023131143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011565071 + 10011565072.

It is an arithmetic number, because the mean of its divisors is an integer number (10011565072).

Almost surely, 2^20023130143 is an apocalyptic number.

20023130143 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023130143 is an equidigital number, since it uses as much as digits as its factorization.

20023130143 is an evil number, because the sum of its binary digits is even.

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

Adding to 20023130143 its reverse (34103132002), we get a palindrome (54126262145).

The spelling of 20023130143 in words is "twenty billion, twenty-three million, one hundred thirty thousand, one hundred forty-three".