323201045 has 4 divisors (see below), whose sum is σ = 387841260. Its totient is φ = 258560832.

The previous prime is 323201041. The next prime is 323201051. The reversal of 323201045 is 540102323.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540102323 = 263 ⋅2053621.

It can be written as a sum of positive squares in 2 ways, for example, as 180015889 + 143185156 = 13417^2 + 11966^2 .

It is a cyclic number.

It is not a de Polignac number, because 323201045 - 2² = 323201041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323201041) 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, 32320100 + ... + 32320109.

It is an arithmetic number, because the mean of its divisors is an integer number (96960315).

Almost surely, 2^323201045 is an apocalyptic number.

It is an amenable number.

323201045 is a deficient number, since it is larger than the sum of its proper divisors (64640215).

323201045 is an equidigital number, since it uses as much as digits as its factorization.

323201045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64640214.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 323201045 is about 17977.7931070529. The cubic root of 323201045 is about 686.2635282772.

Adding to 323201045 its reverse (540102323), we get a palindrome (863303368).

The spelling of 323201045 in words is "three hundred twenty-three million, two hundred one thousand, forty-five".