1423869563 has 2 divisors, whose sum is σ = 1423869564. Its totient is φ = 1423869562.

The previous prime is 1423869553. The next prime is 1423869589. The reversal of 1423869563 is 3659683241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1423869563 - 2¹⁰ = 1423868539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423869553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711934781 + 711934782.

It is an arithmetic number, because the mean of its divisors is an integer number (711934782).

Almost surely, 2^1423869563 is an apocalyptic number.

1423869563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423869563 is an equidigital number, since it uses as much as digits as its factorization.

1423869563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The square root of 1423869563 is about 37734.1962018538. The cubic root of 1423869563 is about 1125.0109136061.

The spelling of 1423869563 in words is "one billion, four hundred twenty-three million, eight hundred sixty-nine thousand, five hundred sixty-three".