1243332223 has 12 divisors (see below), whose sum is σ = 1446913992. Its totient is φ = 1065279600.

The previous prime is 1243332197. The next prime is 1243332269. The reversal of 1243332223 is 3222333421.

It is not a de Polignac number, because 1243332223 - 2²⁹ = 706461311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243032223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194173 + ... + 200473.

It is an arithmetic number, because the mean of its divisors is an integer number (120576166).

Almost surely, 2^1243332223 is an apocalyptic number.

1243332223 is a deficient number, since it is larger than the sum of its proper divisors (203581769).

1243332223 is an equidigital number, since it uses as much as digits as its factorization.

1243332223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10342 (or 10335 counting only the distinct ones).

The product of its digits is 5184, while the sum is 25.

The square root of 1243332223 is about 35260.9163664247. The cubic root of 1243332223 is about 1075.2985572045.

Adding to 1243332223 its reverse (3222333421), we get a palindrome (4465665644).

The spelling of 1243332223 in words is "one billion, two hundred forty-three million, three hundred thirty-two thousand, two hundred twenty-three".