1043340323 has 2 divisors, whose sum is σ = 1043340324. Its totient is φ = 1043340322.

The previous prime is 1043340317. The next prime is 1043340341. The reversal of 1043340323 is 3230433401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043340323 - 2¹⁶ = 1043274787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1043340923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521670161 + 521670162.

It is an arithmetic number, because the mean of its divisors is an integer number (521670162).

Almost surely, 2^1043340323 is an apocalyptic number.

1043340323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043340323 is an equidigital number, since it uses as much as digits as its factorization.

1043340323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 1043340323 is about 32300.7789844146. The cubic root of 1043340323 is about 1014.2429496040.

Adding to 1043340323 its reverse (3230433401), we get a palindrome (4273773724).

The spelling of 1043340323 in words is "one billion, forty-three million, three hundred forty thousand, three hundred twenty-three".