420142042303 has 2 divisors, whose sum is σ = 420142042304. Its totient is φ = 420142042302.

The previous prime is 420142042259. The next prime is 420142042351. The reversal of 420142042303 is 303240241024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420142042303 - 2⁹ = 420142041791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420142042003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210071021151 + 210071021152.

It is an arithmetic number, because the mean of its divisors is an integer number (210071021152).

Almost surely, 2^420142042303 is an apocalyptic number.

420142042303 is a deficient number, since it is larger than the sum of its proper divisors (1).

420142042303 is an equidigital number, since it uses as much as digits as its factorization.

420142042303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 420142042303 its reverse (303240241024), we get a palindrome (723382283327).

The spelling of 420142042303 in words is "four hundred twenty billion, one hundred forty-two million, forty-two thousand, three hundred three".