423142127 has 2 divisors, whose sum is σ = 423142128. Its totient is φ = 423142126.

The previous prime is 423142117. The next prime is 423142129. The reversal of 423142127 is 721241324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423142127 - 2¹⁸ = 422879983 is a prime.

Together with 423142129, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 423142096 and 423142105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423142129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211571063 + 211571064.

It is an arithmetic number, because the mean of its divisors is an integer number (211571064).

Almost surely, 2^423142127 is an apocalyptic number.

423142127 is a deficient number, since it is larger than the sum of its proper divisors (1).

423142127 is an equidigital number, since it uses as much as digits as its factorization.

423142127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 26.

The square root of 423142127 is about 20570.4187366227. The cubic root of 423142127 is about 750.7501395448.

The spelling of 423142127 in words is "four hundred twenty-three million, one hundred forty-two thousand, one hundred twenty-seven".