323910045 has 36 divisors (see below), whose sum is σ = 576513756. Its totient is φ = 168136320.

The previous prime is 323910017. The next prime is 323910049. The reversal of 323910045 is 540019323.

It can be written as a sum of positive squares in 2 ways, for example, as 56881764 + 267028281 = 7542^2 + 16341^2 .

It is not a de Polignac number, because 323910045 - 2⁶ = 323909981 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323910049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 772846 + ... + 773264.

It is an arithmetic number, because the mean of its divisors is an integer number (16014271).

Almost surely, 2^323910045 is an apocalyptic number.

It is an amenable number.

323910045 is a deficient number, since it is larger than the sum of its proper divisors (252603711).

323910045 is an equidigital number, since it uses as much as digits as its factorization.

323910045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 323910045 is about 17997.5010765384. The cubic root of 323910045 is about 686.7649762105.

Adding to 323910045 its reverse (540019323), we get a palindrome (863929368).

The spelling of 323910045 in words is "three hundred twenty-three million, nine hundred ten thousand, forty-five".