324432243 has 16 divisors (see below), whose sum is σ = 493632160. Its totient is φ = 210441888.

The previous prime is 324432217. The next prime is 324432247. The reversal of 324432243 is 342234423.

It is not a de Polignac number, because 324432243 - 2¹² = 324428147 is a prime.

It is a super-2 number, since 2×324432243² = 210512560596022098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324432247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161380 + ... + 163377.

It is an arithmetic number, because the mean of its divisors is an integer number (30852010).

Almost surely, 2^324432243 is an apocalyptic number.

324432243 is a deficient number, since it is larger than the sum of its proper divisors (169199917).

324432243 is a wasteful number, since it uses less digits than its factorization.

324432243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324803 (or 324797 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

The square root of 324432243 is about 18012.0027481677. The cubic root of 324432243 is about 687.1338386486.

Adding to 324432243 its reverse (342234423), we get a palindrome (666666666).

The spelling of 324432243 in words is "three hundred twenty-four million, four hundred thirty-two thousand, two hundred forty-three".