1243124323 has 12 divisors (see below), whose sum is σ = 1427141680. Its totient is φ = 1060735536.

The previous prime is 1243124293. The next prime is 1243124327. The reversal of 1243124323 is 3234213421.

It is not a de Polignac number, because 1243124323 - 2¹⁷ = 1242993251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243124327) 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, 398293 + ... + 401401.

Almost surely, 2^1243124323 is an apocalyptic number.

1243124323 is a deficient number, since it is larger than the sum of its proper divisors (184017357).

1243124323 is an frugal number, since it uses more digits than its factorization.

1243124323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594 (or 3355 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 1243124323 is about 35257.9682199641. The cubic root of 1243124323 is about 1075.2386196090.

Adding to 1243124323 its reverse (3234213421), we get a palindrome (4477337744).

The spelling of 1243124323 in words is "one billion, two hundred forty-three million, one hundred twenty-four thousand, three hundred twenty-three".