323478073 has 2 divisors, whose sum is σ = 323478074. Its totient is φ = 323478072.

The previous prime is 323478041. The next prime is 323478079. The reversal of 323478073 is 370874323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305270784 + 18207289 = 17472^2 + 4267^2 .

It is a cyclic number.

It is not a de Polignac number, because 323478073 - 2⁵ = 323478041 is a prime.

It is not a weakly prime, because it can be changed into another prime (323478079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161739036 + 161739037.

It is an arithmetic number, because the mean of its divisors is an integer number (161739037).

Almost surely, 2^323478073 is an apocalyptic number.

It is an amenable number.

323478073 is a deficient number, since it is larger than the sum of its proper divisors (1).

323478073 is an equidigital number, since it uses as much as digits as its factorization.

323478073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 323478073 is about 17985.4961844259. The cubic root of 323478073 is about 686.4595465384.

The spelling of 323478073 in words is "three hundred twenty-three million, four hundred seventy-eight thousand, seventy-three".