323997876003481 has 9 divisors (see below), whose sum is σ = 329397505685469. Its totient is φ = 318685355416800.

The previous prime is 323997876003437. The next prime is 323997876003523. The reversal of 323997876003481 is 184300678799323.

The square root of 323997876003481 is 17999941.

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

It can be written as a sum of positive squares in 4 ways, for example, as 427573439881 + 323570302563600 = 653891^2 + 17988060^2 .

It is not a de Polignac number, because 323997876003481 - 2¹⁷ = 323997875872409 is a prime.

It is a super-2 number, since 2×323997876003481² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323997876003481.

It is not an unprimeable number, because it can be changed into a prime (323997876003881) 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, 1097848861 + ... + 1098143941.

It is an arithmetic number, because the mean of its divisors is an integer number (36599722853941).

Almost surely, 2^{323997876003481} is an apocalyptic number.

323997876003481 is the 17999941-st square number.

323997876003481 is the 8999971-st centered octagonal number.

It is an amenable number.

323997876003481 is a deficient number, since it is larger than the sum of its proper divisors (5399629681988).

323997876003481 is an frugal number, since it uses more digits than its factorization.

323997876003481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590284 (or 295142 counting only the distinct ones).

The product of its (nonzero) digits is 329204736, while the sum is 70.

The spelling of 323997876003481 in words is "three hundred twenty-three trillion, nine hundred ninety-seven billion, eight hundred seventy-six million, three thousand, four hundred eighty-one".