423205552242 has 48 divisors (see below), whose sum is σ = 1002798744480. Its totient is φ = 127924272000.

The previous prime is 423205552169. The next prime is 423205552243. The reversal of 423205552242 is 242255502324.

423205552242 is a `hidden beast` number, since 4 + 23 + 20 + 55 + 522 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 423205552197 and 423205552206.

It is not an unprimeable number, because it can be changed into a prime (423205552243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2585692 + ... + 2744487.

It is an arithmetic number, because the mean of its divisors is an integer number (20891640510).

Almost surely, 2^423205552242 is an apocalyptic number.

423205552242 is an abundant number, since it is smaller than the sum of its proper divisors (579593192238).

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

423205552242 is a wasteful number, since it uses less digits than its factorization.

423205552242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330599 (or 5330596 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 423205552242 in words is "four hundred twenty-three billion, two hundred five million, five hundred fifty-two thousand, two hundred forty-two".