320523470507 has 2 divisors, whose sum is σ = 320523470508. Its totient is φ = 320523470506.

The previous prime is 320523470497. The next prime is 320523470513. The reversal of 320523470507 is 705074325023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320523470507 - 2²⁴ = 320506693291 is a prime.

It is not a weakly prime, because it can be changed into another prime (320523470567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160261735253 + 160261735254.

It is an arithmetic number, because the mean of its divisors is an integer number (160261735254).

Almost surely, 2^320523470507 is an apocalyptic number.

320523470507 is a deficient number, since it is larger than the sum of its proper divisors (1).

320523470507 is an equidigital number, since it uses as much as digits as its factorization.

320523470507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 38.

The spelling of 320523470507 in words is "three hundred twenty billion, five hundred twenty-three million, four hundred seventy thousand, five hundred seven".