23420130143 has 2 divisors, whose sum is σ = 23420130144. Its totient is φ = 23420130142.

The previous prime is 23420130137. The next prime is 23420130193. The reversal of 23420130143 is 34103102432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23420130143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23420130193) 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 as a sum of consecutive naturals, namely, 11710065071 + 11710065072.

It is an arithmetic number, because the mean of its divisors is an integer number (11710065072).

Almost surely, 2^23420130143 is an apocalyptic number.

23420130143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23420130143 is an equidigital number, since it uses as much as digits as its factorization.

23420130143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23420130143 its reverse (34103102432), we get a palindrome (57523232575).

The spelling of 23420130143 in words is "twenty-three billion, four hundred twenty million, one hundred thirty thousand, one hundred forty-three".