320223356526504 has 128 divisors (see below), whose sum is σ = 845623969344000. Its totient is φ = 100771885257984.

The previous prime is 320223356526481. The next prime is 320223356526511. The reversal of 320223356526504 is 405625653322023.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213393099 + ... + 214888485.

It is an arithmetic number, because the mean of its divisors is an integer number (6606437260500).

Almost surely, 2^{320223356526504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320223356526504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422811984672000).

320223356526504 is an abundant number, since it is smaller than the sum of its proper divisors (525400612817496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320223356526504 is a wasteful number, since it uses less digits than its factorization.

320223356526504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497047 (or 1497043 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 48.

The spelling of 320223356526504 in words is "three hundred twenty trillion, two hundred twenty-three billion, three hundred fifty-six million, five hundred twenty-six thousand, five hundred four".