1423769863 has 2 divisors, whose sum is σ = 1423769864. Its totient is φ = 1423769862.

The previous prime is 1423769849. The next prime is 1423769917. The reversal of 1423769863 is 3689673241.

It is a weak prime.

It is an emirp because it is prime and its reverse (3689673241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423769863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423769833) 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, 711884931 + 711884932.

It is an arithmetic number, because the mean of its divisors is an integer number (711884932).

Almost surely, 2^1423769863 is an apocalyptic number.

1423769863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423769863 is an equidigital number, since it uses as much as digits as its factorization.

1423769863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The square root of 1423769863 is about 37732.8750958630. The cubic root of 1423769863 is about 1124.9846550664.

It can be divided in two parts, 14237 and 69863, that added together give a square (84100 = 290²).

The spelling of 1423769863 in words is "one billion, four hundred twenty-three million, seven hundred sixty-nine thousand, eight hundred sixty-three".