323432513 has 4 divisors (see below), whose sum is σ = 328914480. Its totient is φ = 317950548.

The previous prime is 323432507. The next prime is 323432519. The reversal of 323432513 is 315234323.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315234323 = 1789 ⋅176207.

It is an interprime number because it is at equal distance from previous prime (323432507) and next prime (323432519).

It is a cyclic number.

It is not a de Polignac number, because 323432513 - 2⁶ = 323432449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (323432519) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2740895 + ... + 2741012.

It is an arithmetic number, because the mean of its divisors is an integer number (82228620).

Almost surely, 2^323432513 is an apocalyptic number.

It is an amenable number.

323432513 is a deficient number, since it is larger than the sum of its proper divisors (5481967).

323432513 is an equidigital number, since it uses as much as digits as its factorization.

323432513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5481966.

The product of its digits is 6480, while the sum is 26.

The square root of 323432513 is about 17984.2295637039. The cubic root of 323432513 is about 686.4273170840.

Adding to 323432513 its reverse (315234323), we get a palindrome (638666836).

The spelling of 323432513 in words is "three hundred twenty-three million, four hundred thirty-two thousand, five hundred thirteen".