323893145 has 4 divisors (see below), whose sum is σ = 388671780. Its totient is φ = 259114512.

The previous prime is 323893081. The next prime is 323893147. The reversal of 323893145 is 541398323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157276681 + 166616464 = 12541^2 + 12908^2 .

It is a cyclic number.

It is not a de Polignac number, because 323893145 - 2⁶ = 323893081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323893099 and 323893108.

It is not an unprimeable number, because it can be changed into a prime (323893147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32389310 + ... + 32389319.

It is an arithmetic number, because the mean of its divisors is an integer number (97167945).

Almost surely, 2^323893145 is an apocalyptic number.

It is an amenable number.

323893145 is a deficient number, since it is larger than the sum of its proper divisors (64778635).

323893145 is an equidigital number, since it uses as much as digits as its factorization.

323893145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64778634.

The product of its digits is 77760, while the sum is 38.

The square root of 323893145 is about 17997.0315607880. The cubic root of 323893145 is about 686.7530320198.

The spelling of 323893145 in words is "three hundred twenty-three million, eight hundred ninety-three thousand, one hundred forty-five".