423728472 has 16 divisors (see below), whose sum is σ = 1059321240. Its totient is φ = 141242816.

The previous prime is 423728467. The next prime is 423728527. The reversal of 423728472 is 274827324.

It is a self number, because there is not a number n which added to its sum of digits gives 423728472.

It is a congruent number.

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, 8827653 + ... + 8827700.

Almost surely, 2^423728472 is an apocalyptic number.

It is an amenable number.

423728472 is an abundant number, since it is smaller than the sum of its proper divisors (635592768).

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

423728472 is a wasteful number, since it uses less digits than its factorization.

423728472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17655362 (or 17655358 counting only the distinct ones).

The product of its digits is 150528, while the sum is 39.

The square root of 423728472 is about 20584.6659433667. The cubic root of 423728472 is about 751.0967491843.

The spelling of 423728472 in words is "four hundred twenty-three million, seven hundred twenty-eight thousand, four hundred seventy-two".