1423040303 has 2 divisors, whose sum is σ = 1423040304. Its totient is φ = 1423040302.

The previous prime is 1423040299. The next prime is 1423040327. The reversal of 1423040303 is 3030403241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1423040303 - 2² = 1423040299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423040393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711520151 + 711520152.

It is an arithmetic number, because the mean of its divisors is an integer number (711520152).

Almost surely, 2^1423040303 is an apocalyptic number.

1423040303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423040303 is an equidigital number, since it uses as much as digits as its factorization.

1423040303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1423040303 is about 37723.2064252232. The cubic root of 1423040303 is about 1124.7924695049.

Adding to 1423040303 its reverse (3030403241), we get a palindrome (4453443544).

The spelling of 1423040303 in words is "one billion, four hundred twenty-three million, forty thousand, three hundred three".