323040545 has 8 divisors (see below), whose sum is σ = 410451624. Its totient is φ = 243230464.

The previous prime is 323040479. The next prime is 323040551. The reversal of 323040545 is 545040323.

It can be written as a sum of positive squares in 4 ways, for example, as 78712384 + 244328161 = 8872^2 + 15631^2 .

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 323040545 - 2²⁶ = 255931681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900154 + ... + 1900323.

It is an arithmetic number, because the mean of its divisors is an integer number (51306453).

Almost surely, 2^323040545 is an apocalyptic number.

It is an amenable number.

323040545 is a deficient number, since it is larger than the sum of its proper divisors (87411079).

323040545 is a wasteful number, since it uses less digits than its factorization.

323040545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800499.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 323040545 is about 17973.3287122892. The cubic root of 323040545 is about 686.1499111386.

Adding to 323040545 its reverse (545040323), we get a palindrome (868080868).

The spelling of 323040545 in words is "three hundred twenty-three million, forty thousand, five hundred forty-five".