223012231232 has 56 divisors (see below), whose sum is σ = 506318422464. Its totient is φ = 95471119872.

The previous prime is 223012231229. The next prime is 223012231259. The reversal of 223012231232 is 232132210322.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 223012231198 and 223012231207.

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, 131918 + ... + 680754.

Almost surely, 2^223012231232 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 223012231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253159211232).

223012231232 is an abundant number, since it is smaller than the sum of its proper divisors (283306191232).

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

223012231232 is an equidigital number, since it uses as much as digits as its factorization.

223012231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549763 (or 549753 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 223012231232 its reverse (232132210322), we get a palindrome (455144441554).

The spelling of 223012231232 in words is "two hundred twenty-three billion, twelve million, two hundred thirty-one thousand, two hundred thirty-two".