320056123552667 has 2 divisors, whose sum is σ = 320056123552668. Its totient is φ = 320056123552666.

The previous prime is 320056123552657. The next prime is 320056123552729. The reversal of 320056123552667 is 766255321650023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320056123552667 - 2¹⁶ = 320056123487131 is a prime.

It is a super-3 number, since 3×320056123552667³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (320056123552657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160028061776333 + 160028061776334.

It is an arithmetic number, because the mean of its divisors is an integer number (160028061776334).

Almost surely, 2^{320056123552667} is an apocalyptic number.

320056123552667 is a deficient number, since it is larger than the sum of its proper divisors (1).

320056123552667 is an equidigital number, since it uses as much as digits as its factorization.

320056123552667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608000, while the sum is 53.

The spelling of 320056123552667 in words is "three hundred twenty trillion, fifty-six billion, one hundred twenty-three million, five hundred fifty-two thousand, six hundred sixty-seven".