423436266 has 48 divisors (see below), whose sum is σ = 1005365088. Its totient is φ = 127735200.

The previous prime is 423436253. The next prime is 423436283. The reversal of 423436266 is 662634324.

423436266 is a `hidden beast` number, since 4 + 23 + 4 + 3 + 626 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 423436266.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40236 + ... + 49656.

It is an arithmetic number, because the mean of its divisors is an integer number (20945106).

Almost surely, 2^423436266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423436266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502682544).

423436266 is an abundant number, since it is smaller than the sum of its proper divisors (581928822).

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

423436266 is a wasteful number, since it uses less digits than its factorization.

423436266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9667 (or 9664 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 423436266 is about 20577.5670573564. The cubic root of 423436266 is about 750.9240556939.

The spelling of 423436266 in words is "four hundred twenty-three million, four hundred thirty-six thousand, two hundred sixty-six".