423282540 has 96 divisors (see below), whose sum is σ = 1218792960. Its totient is φ = 109702656.

The previous prime is 423282533. The next prime is 423282557. The reversal of 423282540 is 45282324.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 423282498 and 423282507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 925992 + ... + 926448.

It is an arithmetic number, because the mean of its divisors is an integer number (12695760).

Almost surely, 2^423282540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423282540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609396480).

423282540 is an abundant number, since it is smaller than the sum of its proper divisors (795510420).

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

423282540 is a wasteful number, since it uses less digits than its factorization.

423282540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 423282540 is about 20573.8314370464. The cubic root of 423282540 is about 750.8331718679.

The spelling of 423282540 in words is "four hundred twenty-three million, two hundred eighty-two thousand, five hundred forty".