423034000440 has 32 divisors (see below), whose sum is σ = 1269102001680. Its totient is φ = 112809066752.

The previous prime is 423034000343. The next prime is 423034000447. The reversal of 423034000440 is 44000430324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 423034000440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423034000447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1762641549 + ... + 1762641788.

Almost surely, 2^423034000440 is an apocalyptic number.

423034000440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423034000440 is an abundant number, since it is smaller than the sum of its proper divisors (846068001240).

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

423034000440 is a wasteful number, since it uses less digits than its factorization.

423034000440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525283351 (or 3525283347 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 423034000440 its reverse (44000430324), we get a palindrome (467034430764).

The spelling of 423034000440 in words is "four hundred twenty-three billion, thirty-four million, four hundred forty", and thus it is an aban number.