423403223344 has 80 divisors (see below), whose sum is σ = 868993488000. Its totient is φ = 199289825280.

The previous prime is 423403223333. The next prime is 423403223393. The reversal of 423403223344 is 443322304324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113237827 + ... + 113241565.

It is an arithmetic number, because the mean of its divisors is an integer number (10862418600).

Almost surely, 2^423403223344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423403223344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434496744000).

423403223344 is an abundant number, since it is smaller than the sum of its proper divisors (445590264656).

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

423403223344 is a wasteful number, since it uses less digits than its factorization.

423403223344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026 (or 6020 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 423403223344 its reverse (443322304324), we get a palindrome (866725527668).

The spelling of 423403223344 in words is "four hundred twenty-three billion, four hundred three million, two hundred twenty-three thousand, three hundred forty-four".