423510047 has 2 divisors, whose sum is σ = 423510048. Its totient is φ = 423510046.

The previous prime is 423510037. The next prime is 423510049. The reversal of 423510047 is 740015324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423510047 - 2²⁰ = 422461471 is a prime.

Together with 423510049, 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 = 423509998 and 423510025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423510049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211755023 + 211755024.

It is an arithmetic number, because the mean of its divisors is an integer number (211755024).

Almost surely, 2^423510047 is an apocalyptic number.

423510047 is a deficient number, since it is larger than the sum of its proper divisors (1).

423510047 is an equidigital number, since it uses as much as digits as its factorization.

423510047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 423510047 is about 20579.3597325087. The cubic root of 423510047 is about 750.9676676961.

The spelling of 423510047 in words is "four hundred twenty-three million, five hundred ten thousand, forty-seven".