320412863 has 2 divisors, whose sum is σ = 320412864. Its totient is φ = 320412862.

The previous prime is 320412811. The next prime is 320412899. The reversal of 320412863 is 368214023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320412863 - 2⁸ = 320412607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320412163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160206431 + 160206432.

It is an arithmetic number, because the mean of its divisors is an integer number (160206432).

Almost surely, 2^320412863 is an apocalyptic number.

320412863 is a deficient number, since it is larger than the sum of its proper divisors (1).

320412863 is an equidigital number, since it uses as much as digits as its factorization.

320412863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 320412863 is about 17900.0799718884. The cubic root of 320412863 is about 684.2844130025.

Adding to 320412863 its reverse (368214023), we get a palindrome (688626886).

The spelling of 320412863 in words is "three hundred twenty million, four hundred twelve thousand, eight hundred sixty-three".