1243344323 has 6 divisors (see below), whose sum is σ = 1346343444. Its totient is φ = 1147702296.

The previous prime is 1243344307. The next prime is 1243344341. The reversal of 1243344323 is 3234433421.

It is not a de Polignac number, because 1243344323 - 2⁴ = 1243344307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243344923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3678365 + ... + 3678702.

It is an arithmetic number, because the mean of its divisors is an integer number (224390574).

Almost surely, 2^1243344323 is an apocalyptic number.

1243344323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1243344323 is a deficient number, since it is larger than the sum of its proper divisors (102999121).

1243344323 is an equidigital number, since it uses as much as digits as its factorization.

1243344323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7357093 (or 7357080 counting only the distinct ones).

The product of its digits is 20736, while the sum is 29.

The square root of 1243344323 is about 35261.0879440780. The cubic root of 1243344323 is about 1075.3020454303.

Adding to 1243344323 its reverse (3234433421), we get a palindrome (4477777744).

The spelling of 1243344323 in words is "one billion, two hundred forty-three million, three hundred forty-four thousand, three hundred twenty-three".