423543798 has 12 divisors (see below), whose sum is σ = 917678268. Its totient is φ = 141181260.

The previous prime is 423543787. The next prime is 423543833. The reversal of 423543798 is 897345324.

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 5 ways as a sum of consecutive naturals, for example, 11765088 + ... + 11765123.

It is an arithmetic number, because the mean of its divisors is an integer number (76473189).

Almost surely, 2^423543798 is an apocalyptic number.

423543798 is an abundant number, since it is smaller than the sum of its proper divisors (494134470).

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

423543798 is a wasteful number, since it uses less digits than its factorization.

423543798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23530219 (or 23530216 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 423543798 is about 20580.1797368245. The cubic root of 423543798 is about 750.9876162480.

The spelling of 423543798 in words is "four hundred twenty-three million, five hundred forty-three thousand, seven hundred ninety-eight".