320326463 has 2 divisors, whose sum is σ = 320326464. Its totient is φ = 320326462.

The previous prime is 320326423. The next prime is 320326469. The reversal of 320326463 is 364623023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320326463 - 2¹² = 320322367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320326469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160163231 + 160163232.

It is an arithmetic number, because the mean of its divisors is an integer number (160163232).

Almost surely, 2^320326463 is an apocalyptic number.

320326463 is a deficient number, since it is larger than the sum of its proper divisors (1).

320326463 is an equidigital number, since it uses as much as digits as its factorization.

320326463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 320326463 is about 17897.6664121332. Note that the first 3 decimals coincide. The cubic root of 320326463 is about 684.2229012313. Note that the first 3 decimals are identical.

Adding to 320326463 its reverse (364623023), we get a palindrome (684949486).

The spelling of 320326463 in words is "three hundred twenty million, three hundred twenty-six thousand, four hundred sixty-three".