423404307198 has 96 divisors (see below), whose sum is σ = 974519949312. Its totient is φ = 132623179200.

The previous prime is 423404307191. The next prime is 423404307251. The reversal of 423404307198 is 891703404324.

423404307198 is a `hidden beast` number, since 4 + 23 + 4 + 0 + 430 + 7 + 198 = 666.

423404307198 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×423404307198² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423404307191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10364553 + ... + 10405323.

It is an arithmetic number, because the mean of its divisors is an integer number (10151249472).

Almost surely, 2^423404307198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423404307198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487259974656).

423404307198 is an abundant number, since it is smaller than the sum of its proper divisors (551115642114).

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

423404307198 is a wasteful number, since it uses less digits than its factorization.

423404307198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41350 (or 41347 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 423404307198 in words is "four hundred twenty-three billion, four hundred four million, three hundred seven thousand, one hundred ninety-eight".