423650560 has 144 divisors (see below), whose sum is σ = 1069543440. Its totient is φ = 160563200.

The previous prime is 423650497. The next prime is 423650561. The reversal of 423650560 is 65056324.

It can be written as a sum of positive squares in 8 ways, for example, as 3564544 + 420086016 = 1888^2 + 20496^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423650561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3749064 + ... + 3749176.

It is an arithmetic number, because the mean of its divisors is an integer number (7427385).

Almost surely, 2^423650560 is an apocalyptic number.

423650560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423650560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534771720).

423650560 is an abundant number, since it is smaller than the sum of its proper divisors (645892880).

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

423650560 is a wasteful number, since it uses less digits than its factorization.

423650560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 423650560 is about 20582.7733796979. The cubic root of 423650560 is about 751.0507110248.

The spelling of 423650560 in words is "four hundred twenty-three million, six hundred fifty thousand, five hundred sixty".