423505626 has 48 divisors (see below), whose sum is σ = 889854336. Its totient is φ = 134308224.

The previous prime is 423505619. The next prime is 423505639. The reversal of 423505626 is 626505324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385510 + ... + 386606.

It is an arithmetic number, because the mean of its divisors is an integer number (18538632).

Almost surely, 2^423505626 is an apocalyptic number.

423505626 is an abundant number, since it is smaller than the sum of its proper divisors (466348710).

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

423505626 is a wasteful number, since it uses less digits than its factorization.

423505626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 423505626 is about 20579.2523187797. The cubic root of 423505626 is about 750.9650545825.

The spelling of 423505626 in words is "four hundred twenty-three million, five hundred five thousand, six hundred twenty-six".