223021031312232 has 48 divisors (see below), whose sum is σ = 605410247709540. Its totient is φ = 74168657054208.

The previous prime is 223021031312221. The next prime is 223021031312267. The reversal of 223021031312232 is 232213130120322.

223021031312232 is a `hidden beast` number, since 2 + 2 + 302 + 1 + 0 + 3 + 131 + 223 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 220226965282116 + 2794066030116 = 14840046^2 + 1671546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223021031312196 and 223021031312205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3576775203 + ... + 3576837554.

Almost surely, 2^{223021031312232} is an apocalyptic number.

It is an amenable number.

223021031312232 is an abundant number, since it is smaller than the sum of its proper divisors (382389216397308).

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

223021031312232 is a wasteful number, since it uses less digits than its factorization.

223021031312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153613202 (or 7153613195 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 223021031312232 its reverse (232213130120322), we get a palindrome (455234161432554).

The spelling of 223021031312232 in words is "two hundred twenty-three trillion, twenty-one billion, thirty-one million, three hundred twelve thousand, two hundred thirty-two".