1043240383 has 2 divisors, whose sum is σ = 1043240384. Its totient is φ = 1043240382.

The previous prime is 1043240381. The next prime is 1043240423. The reversal of 1043240383 is 3830423401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043240383 - 2¹ = 1043240381 is a prime.

Together with 1043240381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043240381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521620191 + 521620192.

It is an arithmetic number, because the mean of its divisors is an integer number (521620192).

Almost surely, 2^1043240383 is an apocalyptic number.

1043240383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043240383 is an equidigital number, since it uses as much as digits as its factorization.

1043240383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1043240383 is about 32299.2319258524. The cubic root of 1043240383 is about 1014.2105643011.

Adding to 1043240383 its reverse (3830423401), we get a palindrome (4873663784).

The spelling of 1043240383 in words is "one billion, forty-three million, two hundred forty thousand, three hundred eighty-three".