323863945 has 8 divisors (see below), whose sum is σ = 395008200. Its totient is φ = 254843520.

The previous prime is 323863927. The next prime is 323863979. The reversal of 323863945 is 549368323.

It can be written as a sum of positive squares in 4 ways, for example, as 7166329 + 316697616 = 2677^2 + 17796^2 .

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

It is not a de Polignac number, because 323863945 - 2¹⁷ = 323732873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530620 + ... + 531229.

It is an arithmetic number, because the mean of its divisors is an integer number (49376025).

Almost surely, 2^323863945 is an apocalyptic number.

It is an amenable number.

323863945 is a deficient number, since it is larger than the sum of its proper divisors (71144255).

323863945 is a wasteful number, since it uses less digits than its factorization.

323863945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061915.

The product of its digits is 466560, while the sum is 43.

The square root of 323863945 is about 17996.2202976069. The cubic root of 323863945 is about 686.7323937409.

The spelling of 323863945 in words is "three hundred twenty-three million, eight hundred sixty-three thousand, nine hundred forty-five".