1420223663 has 4 divisors (see below), whose sum is σ = 1432792128. Its totient is φ = 1407655200.

The previous prime is 1420223659. The next prime is 1420223671. The reversal of 1420223663 is 3663220241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3663220241 = 157 ⋅23332613.

It is a cyclic number.

It is not a de Polignac number, because 1420223663 - 2² = 1420223659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420223603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6284063 + ... + 6284288.

It is an arithmetic number, because the mean of its divisors is an integer number (358198032).

Almost surely, 2^1420223663 is an apocalyptic number.

1420223663 is a deficient number, since it is larger than the sum of its proper divisors (12568465).

1420223663 is a wasteful number, since it uses less digits than its factorization.

1420223663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12568464.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 1420223663 is about 37685.8549458547. The cubic root of 1420223663 is about 1124.0498744665.

The spelling of 1420223663 in words is "one billion, four hundred twenty million, two hundred twenty-three thousand, six hundred sixty-three".