323305481 has 2 divisors, whose sum is σ = 323305482. Its totient is φ = 323305480.

The previous prime is 323305469. The next prime is 323305531. The reversal of 323305481 is 184503323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207936400 + 115369081 = 14420^2 + 10741^2 .

It is a cyclic number.

It is not a de Polignac number, because 323305481 - 2¹⁴ = 323289097 is a prime.

It is a super-2 number, since 2×323305481² = 209052868089282722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (323305681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161652740 + 161652741.

It is an arithmetic number, because the mean of its divisors is an integer number (161652741).

Almost surely, 2^323305481 is an apocalyptic number.

It is an amenable number.

323305481 is a deficient number, since it is larger than the sum of its proper divisors (1).

323305481 is an equidigital number, since it uses as much as digits as its factorization.

323305481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 323305481 is about 17980.6974558831. The cubic root of 323305481 is about 686.3374377944.

The spelling of 323305481 in words is "three hundred twenty-three million, three hundred five thousand, four hundred eighty-one".