320465238347 has 2 divisors, whose sum is σ = 320465238348. Its totient is φ = 320465238346.

The previous prime is 320465238287. The next prime is 320465238349. The reversal of 320465238347 is 743832564023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320465238347 - 2⁸ = 320465238091 is a prime.

It is a super-3 number, since 3×320465238347³ (a number of 35 digits) contains 333 as substring.

Together with 320465238349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320465238349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160232619173 + 160232619174.

It is an arithmetic number, because the mean of its divisors is an integer number (160232619174).

Almost surely, 2^320465238347 is an apocalyptic number.

320465238347 is a deficient number, since it is larger than the sum of its proper divisors (1).

320465238347 is an equidigital number, since it uses as much as digits as its factorization.

320465238347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 320465238347 in words is "three hundred twenty billion, four hundred sixty-five million, two hundred thirty-eight thousand, three hundred forty-seven".