1423243663 has 2 divisors, whose sum is σ = 1423243664. Its totient is φ = 1423243662.

The previous prime is 1423243651. The next prime is 1423243667. The reversal of 1423243663 is 3663423241.

It is a strong prime.

It is an emirp because it is prime and its reverse (3663423241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1423243663 - 2⁵ = 1423243631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423243667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711621831 + 711621832.

It is an arithmetic number, because the mean of its divisors is an integer number (711621832).

Almost surely, 2^1423243663 is an apocalyptic number.

1423243663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423243663 is an equidigital number, since it uses as much as digits as its factorization.

1423243663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 34.

The square root of 1423243663 is about 37725.9017519794. The cubic root of 1423243663 is about 1124.8460465542.

The spelling of 1423243663 in words is "one billion, four hundred twenty-three million, two hundred forty-three thousand, six hundred sixty-three".