223312331232 has 36 divisors (see below), whose sum is σ = 635044442760. Its totient is φ = 74437443648.

The previous prime is 223312331227. The next prime is 223312331233. The reversal of 223312331232 is 232133213322.

223312331232 is a `hidden beast` number, since 2 + 2 + 3 + 312 + 3 + 312 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 223312331196 and 223312331205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223312331233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387694732 + ... + 387695307.

It is an arithmetic number, because the mean of its divisors is an integer number (17640123410).

Almost surely, 2^223312331232 is an apocalyptic number.

It is an amenable number.

223312331232 is an abundant number, since it is smaller than the sum of its proper divisors (411732111528).

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

223312331232 is a wasteful number, since it uses less digits than its factorization.

223312331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775390055 (or 775390044 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 223312331232 its reverse (232133213322), we get a palindrome (455445544554).

The spelling of 223312331232 in words is "two hundred twenty-three billion, three hundred twelve million, three hundred thirty-one thousand, two hundred thirty-two".