223252433012440 has 64 divisors (see below), whose sum is σ = 564477723633600. Its totient is φ = 78847682022912.

The previous prime is 223252433012437. The next prime is 223252433012459. The reversal of 223252433012440 is 44210334252322.

It is a super-3 number, since 3×223252433012440³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223252433012440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9333283735 + ... + 9333307654.

It is an arithmetic number, because the mean of its divisors is an integer number (8819964431775).

Almost surely, 2^{223252433012440} is an apocalyptic number.

223252433012440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223252433012440 is an abundant number, since it is smaller than the sum of its proper divisors (341225290621160).

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

223252433012440 is a wasteful number, since it uses less digits than its factorization.

223252433012440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18666591436 (or 18666591432 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 223252433012440 its reverse (44210334252322), we get a palindrome (267462767264762).

The spelling of 223252433012440 in words is "two hundred twenty-three trillion, two hundred fifty-two billion, four hundred thirty-three million, twelve thousand, four hundred forty".