423727660 has 12 divisors (see below), whose sum is σ = 889828128. Its totient is φ = 169491056.

The previous prime is 423727657. The next prime is 423727673. The reversal of 423727660 is 66727324.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10593172 + ... + 10593211.

It is an arithmetic number, because the mean of its divisors is an integer number (74152344).

Almost surely, 2^423727660 is an apocalyptic number.

It is an amenable number.

423727660 is an abundant number, since it is smaller than the sum of its proper divisors (466100468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423727660 is a wasteful number, since it uses less digits than its factorization.

423727660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21186392 (or 21186390 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 423727660 is about 20584.6462199378. The cubic root of 423727660 is about 751.0962694030.

The spelling of 423727660 in words is "four hundred twenty-three million, seven hundred twenty-seven thousand, six hundred sixty".