423570798 has 72 divisors (see below), whose sum is σ = 1070721288. Its totient is φ = 120663648.

The previous prime is 423570757. The next prime is 423570803. The reversal of 423570798 is 897075324.

423570798 is a `hidden beast` number, since 4 + 2 + 3 + 570 + 79 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 496140 + ... + 496992.

It is an arithmetic number, because the mean of its divisors is an integer number (14871129).

Almost surely, 2^423570798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423570798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535360644).

423570798 is an abundant number, since it is smaller than the sum of its proper divisors (647150490).

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

423570798 is a wasteful number, since it uses less digits than its factorization.

423570798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 423570798 is about 20580.8356973180. The cubic root of 423570798 is about 751.0035738537.

The spelling of 423570798 in words is "four hundred twenty-three million, five hundred seventy thousand, seven hundred ninety-eight".