223243121130112 has 16 divisors (see below), whose sum is σ = 444742155376650. Its totient is φ = 111621560564992.

The previous prime is 223243121130079. The next prime is 223243121130143. The reversal of 223243121130112 is 211031121342322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 182448125816896 + 40794995313216 = 13507336^2 + 6387096^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×223243121130112³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872043441787 + ... + 872043442042.

Almost surely, 2^{223243121130112} is an apocalyptic number.

It is an amenable number.

223243121130112 is a deficient number, since it is larger than the sum of its proper divisors (221499034246538).

223243121130112 is an equidigital number, since it uses as much as digits as its factorization.

223243121130112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744086883843 (or 1744086883831 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 223243121130112 its reverse (211031121342322), we get a palindrome (434274242472434).

The spelling of 223243121130112 in words is "two hundred twenty-three trillion, two hundred forty-three billion, one hundred twenty-one million, one hundred thirty thousand, one hundred twelve".