223021231332 has 12 divisors (see below), whose sum is σ = 520382873136. Its totient is φ = 74340410440.

The previous prime is 223021231331. The next prime is 223021231343. The reversal of 223021231332 is 233132120322.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (223021231331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9292551294 + ... + 9292551317.

It is an arithmetic number, because the mean of its divisors is an integer number (43365239428).

Almost surely, 2^223021231332 is an apocalyptic number.

It is an amenable number.

223021231332 is an abundant number, since it is smaller than the sum of its proper divisors (297361641804).

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

223021231332 is a wasteful number, since it uses less digits than its factorization.

223021231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18585102618 (or 18585102616 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 223021231332 its reverse (233132120322), we get a palindrome (456153351654).

The spelling of 223021231332 in words is "two hundred twenty-three billion, twenty-one million, two hundred thirty-one thousand, three hundred thirty-two".