1243343023 has 8 divisors (see below), whose sum is σ = 1339713648. Its totient is φ = 1147076544.

The previous prime is 1243343021. The next prime is 1243343041. The reversal of 1243343023 is 3203433421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1243343023 - 2¹ = 1243343021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243343021) 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 7 ways as a sum of consecutive naturals, for example, 286 + ... + 49867.

It is an arithmetic number, because the mean of its divisors is an integer number (167464206).

Almost surely, 2^1243343023 is an apocalyptic number.

1243343023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1243343023 is a deficient number, since it is larger than the sum of its proper divisors (96370625).

1243343023 is a wasteful number, since it uses less digits than its factorization.

1243343023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52073.

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

The square root of 1243343023 is about 35261.0695101552. The cubic root of 1243343023 is about 1075.3016706633.

Adding to 1243343023 its reverse (3203433421), we get a palindrome (4446776444).

The spelling of 1243343023 in words is "one billion, two hundred forty-three million, three hundred forty-three thousand, twenty-three".