423795828540 has 216 divisors, whose sum is σ = 1429611975792. Its totient is φ = 93526809600.

The previous prime is 423795828523. The next prime is 423795828553. The reversal of 423795828540 is 45828597324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2386840 + ... + 2558240.

It is an arithmetic number, because the mean of its divisors is an integer number (6618573962).

Almost surely, 2^423795828540 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 423795828540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714805987896).

423795828540 is an abundant number, since it is smaller than the sum of its proper divisors (1005816147252).

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

423795828540 is a wasteful number, since it uses less digits than its factorization.

423795828540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171485 (or 171447 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 423795828540 in words is "four hundred twenty-three billion, seven hundred ninety-five million, eight hundred twenty-eight thousand, five hundred forty".