423473720 has 32 divisors (see below), whose sum is σ = 961567200. Its totient is φ = 167833728.

The previous prime is 423473711. The next prime is 423473731. The reversal of 423473720 is 27374324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44204 + ... + 52923.

It is an arithmetic number, because the mean of its divisors is an integer number (30048975).

Almost surely, 2^423473720 is an apocalyptic number.

423473720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423473720 is an abundant number, since it is smaller than the sum of its proper divisors (538093480).

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

423473720 is a wasteful number, since it uses less digits than its factorization.

423473720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97247 (or 97243 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 423473720 is about 20578.4771059474. The cubic root of 423473720 is about 750.9461954133.

The spelling of 423473720 in words is "four hundred twenty-three million, four hundred seventy-three thousand, seven hundred twenty".