323699973488896 has 81 divisors (see below), whose sum is σ = 647886454016893. Its totient is φ = 161412573409280.

The previous prime is 323699973488861. The next prime is 323699973488897. The reversal of 323699973488896 is 698884379996323.

The square root of 323699973488896 is 17991664.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 155622231818496 + 168077741670400 = 12474864^2 + 12964480^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323699973488897) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 124070513640 + ... + 124070516248.

Almost surely, 2^{323699973488896} is an apocalyptic number.

323699973488896 is the 17991664-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323699973488896

323699973488896 is an abundant number, since it is smaller than the sum of its proper divisors (324186480527997).

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

323699973488896 is an frugal number, since it uses more digits than its factorization.

323699973488896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6096 (or 3042 counting only the distinct ones).

The product of its digits is 182849716224, while the sum is 94.

The spelling of 323699973488896 in words is "three hundred twenty-three trillion, six hundred ninety-nine billion, nine hundred seventy-three million, four hundred eighty-eight thousand, eight hundred ninety-six".