320561200570723 has 8 divisors (see below), whose sum is σ = 370132520247392. Its totient is φ = 271934096507136.

The previous prime is 320561200570703. The next prime is 320561200570729. The reversal of 320561200570723 is 327075002165023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320561200570723 - 2²⁵ = 320561167016291 is a prime.

It is a super-2 number, since 2×320561200570723² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320561200570723.

It is not an unprimeable number, because it can be changed into a prime (320561200570729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236053902540 + ... + 236053903897.

It is an arithmetic number, because the mean of its divisors is an integer number (46266565030924).

Almost surely, 2^{320561200570723} is an apocalyptic number.

320561200570723 is a deficient number, since it is larger than the sum of its proper divisors (49571319676669).

320561200570723 is an equidigital number, since it uses as much as digits as its factorization.

320561200570723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472107806541.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 320561200570723 in words is "three hundred twenty trillion, five hundred sixty-one billion, two hundred million, five hundred seventy thousand, seven hundred twenty-three".