320163463 has 2 divisors, whose sum is σ = 320163464. Its totient is φ = 320163462.

The previous prime is 320163461. The next prime is 320163497. The reversal of 320163463 is 364361023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320163463 - 2¹ = 320163461 is a prime.

Together with 320163461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320163461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160081731 + 160081732.

It is an arithmetic number, because the mean of its divisors is an integer number (160081732).

Almost surely, 2^320163463 is an apocalyptic number.

320163463 is a deficient number, since it is larger than the sum of its proper divisors (1).

320163463 is an equidigital number, since it uses as much as digits as its factorization.

320163463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 320163463 is about 17893.1121664176. The cubic root of 320163463 is about 684.1068245945.

The spelling of 320163463 in words is "three hundred twenty million, one hundred sixty-three thousand, four hundred sixty-three".