423505064 has 16 divisors (see below), whose sum is σ = 798232320. Its totient is φ = 210643120.

The previous prime is 423505001. The next prime is 423505073. The reversal of 423505064 is 460505324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137054 + ... + 140109.

It is an arithmetic number, because the mean of its divisors is an integer number (49889520).

Almost surely, 2^423505064 is an apocalyptic number.

It is an amenable number.

423505064 is a deficient number, since it is larger than the sum of its proper divisors (374727256).

423505064 is a wasteful number, since it uses less digits than its factorization.

423505064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277360 (or 277356 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 423505064 is about 20579.2386642461. The cubic root of 423505064 is about 750.9647224007.

The spelling of 423505064 in words is "four hundred twenty-three million, five hundred five thousand, sixty-four".