223403311232 has 64 divisors (see below), whose sum is σ = 447481670400. Its totient is φ = 111095384064.

The previous prime is 223403311211. The next prime is 223403311349. The reversal of 223403311232 is 232113304322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27130988 + ... + 27139220.

It is an arithmetic number, because the mean of its divisors is an integer number (6991901100).

Almost surely, 2^223403311232 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 223403311232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223740835200).

223403311232 is an abundant number, since it is smaller than the sum of its proper divisors (224078359168).

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

223403311232 is an equidigital number, since it uses as much as digits as its factorization.

223403311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9373 (or 9361 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 223403311232 its reverse (232113304322), we get a palindrome (455516615554).

The spelling of 223403311232 in words is "two hundred twenty-three billion, four hundred three million, three hundred eleven thousand, two hundred thirty-two".