423846871 has 4 divisors (see below), whose sum is σ = 484396432. Its totient is φ = 363297312.

The previous prime is 423846869. The next prime is 423846923. The reversal of 423846871 is 178648324.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 423846871 - 2¹ = 423846869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423846821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30274770 + ... + 30274783.

It is an arithmetic number, because the mean of its divisors is an integer number (121099108).

Almost surely, 2^423846871 is an apocalyptic number.

423846871 is a deficient number, since it is larger than the sum of its proper divisors (60549561).

423846871 is an equidigital number, since it uses as much as digits as its factorization.

423846871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60549560.

The product of its digits is 258048, while the sum is 43.

The square root of 423846871 is about 20587.5416453738. The cubic root of 423846871 is about 751.1667002876.

The spelling of 423846871 in words is "four hundred twenty-three million, eight hundred forty-six thousand, eight hundred seventy-one".