344423223320 has 96 divisors (see below), whose sum is σ = 852483290400. Its totient is φ = 125145377280.

The previous prime is 344423223307. The next prime is 344423223359. The reversal of 344423223320 is 23322324443.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6211157 + ... + 6266363.

It is an arithmetic number, because the mean of its divisors is an integer number (8880034275).

Almost surely, 2^344423223320 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 344423223320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426241645200).

344423223320 is an abundant number, since it is smaller than the sum of its proper divisors (508060067080).

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

344423223320 is a wasteful number, since it uses less digits than its factorization.

344423223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56529 (or 56514 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 344423223320 its reverse (23322324443), we get a palindrome (367745547763).

The spelling of 344423223320 in words is "three hundred forty-four billion, four hundred twenty-three million, two hundred twenty-three thousand, three hundred twenty".