423101143 has 2 divisors, whose sum is σ = 423101144. Its totient is φ = 423101142.

The previous prime is 423101089. The next prime is 423101149. The reversal of 423101143 is 341101324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423101143 - 2⁹ = 423100631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423101143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423101149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211550571 + 211550572.

It is an arithmetic number, because the mean of its divisors is an integer number (211550572).

Almost surely, 2^423101143 is an apocalyptic number.

423101143 is a deficient number, since it is larger than the sum of its proper divisors (1).

423101143 is an equidigital number, since it uses as much as digits as its factorization.

423101143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 423101143 is about 20569.4225247089. The cubic root of 423101143 is about 750.7259004573.

Adding to 423101143 its reverse (341101324), we get a palindrome (764202467).

The spelling of 423101143 in words is "four hundred twenty-three million, one hundred one thousand, one hundred forty-three".