223112443240 has 32 divisors (see below), whose sum is σ = 502652488680. Its totient is φ = 89129512192.

The previous prime is 223112443223. The next prime is 223112443261. The reversal of 223112443240 is 42344211322.

It can be written as a sum of positive squares in 4 ways, for example, as 179330228676 + 43782214564 = 423474^2 + 209242^2 .

It is a super-3 number, since 3×223112443240³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223112443199 and 223112443208.

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, 3576979 + ... + 3638818.

Almost surely, 2^223112443240 is an apocalyptic number.

223112443240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223112443240 is an abundant number, since it is smaller than the sum of its proper divisors (279540045440).

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

223112443240 is a wasteful number, since it uses less digits than its factorization.

223112443240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7216581 (or 7216577 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 223112443240 its reverse (42344211322), we get a palindrome (265456654562).

The spelling of 223112443240 in words is "two hundred twenty-three billion, one hundred twelve million, four hundred forty-three thousand, two hundred forty".