423420044143 has 2 divisors, whose sum is σ = 423420044144. Its totient is φ = 423420044142.

The previous prime is 423420044141. The next prime is 423420044147. The reversal of 423420044143 is 341440024324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423420044143 - 2¹ = 423420044141 is a prime.

Together with 423420044141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423420044141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211710022071 + 211710022072.

It is an arithmetic number, because the mean of its divisors is an integer number (211710022072).

Almost surely, 2^423420044143 is an apocalyptic number.

423420044143 is a deficient number, since it is larger than the sum of its proper divisors (1).

423420044143 is an equidigital number, since it uses as much as digits as its factorization.

423420044143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 423420044143 its reverse (341440024324), we get a palindrome (764860068467).

The spelling of 423420044143 in words is "four hundred twenty-three billion, four hundred twenty million, forty-four thousand, one hundred forty-three".