323578945 has 8 divisors (see below), whose sum is σ = 389621736. Its totient is φ = 257978496.

The previous prime is 323578943. The next prime is 323578963. The reversal of 323578945 is 549875323.

It can be written as a sum of positive squares in 4 ways, for example, as 198049329 + 125529616 = 14073^2 + 11204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323578945 - 2¹ = 323578943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323578895 and 323578904.

It is not an unprimeable number, because it can be changed into a prime (323578943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108972 + ... + 111901.

It is an arithmetic number, because the mean of its divisors is an integer number (48702717).

Almost surely, 2^323578945 is an apocalyptic number.

It is an amenable number.

323578945 is a deficient number, since it is larger than the sum of its proper divisors (66042791).

323578945 is a wasteful number, since it uses less digits than its factorization.

323578945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221171.

The product of its digits is 907200, while the sum is 46.

The square root of 323578945 is about 17988.3002254243. The cubic root of 323578945 is about 686.5308933124.

The spelling of 323578945 in words is "three hundred twenty-three million, five hundred seventy-eight thousand, nine hundred forty-five".