1423012243 has 2 divisors, whose sum is σ = 1423012244. Its totient is φ = 1423012242.

The previous prime is 1423012187. The next prime is 1423012247. The reversal of 1423012243 is 3422103241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423012243 - 2⁹ = 1423011731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423012247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711506121 + 711506122.

It is an arithmetic number, because the mean of its divisors is an integer number (711506122).

Almost surely, 2^1423012243 is an apocalyptic number.

1423012243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423012243 is an equidigital number, since it uses as much as digits as its factorization.

1423012243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1423012243 is about 37722.8345037856. The cubic root of 1423012243 is about 1124.7850764409.

Adding to 1423012243 its reverse (3422103241), we get a palindrome (4845115484).

The spelling of 1423012243 in words is "one billion, four hundred twenty-three million, twelve thousand, two hundred forty-three".