324143421 has 16 divisors (see below), whose sum is σ = 507283584. Its totient is φ = 180218304.

The previous prime is 324143419. The next prime is 324143423. The reversal of 324143421 is 124341423.

It is an interprime number because it is at equal distance from previous prime (324143419) and next prime (324143423).

It is not a de Polignac number, because 324143421 - 2¹ = 324143419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 324143391 and 324143400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324143423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207810 + ... + 209363.

It is an arithmetic number, because the mean of its divisors is an integer number (31705224).

Almost surely, 2^324143421 is an apocalyptic number.

It is an amenable number.

324143421 is a deficient number, since it is larger than the sum of its proper divisors (183140163).

324143421 is a wasteful number, since it uses less digits than its factorization.

324143421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417220.

The product of its digits is 2304, while the sum is 24.

The square root of 324143421 is about 18003.9834758867. The cubic root of 324143421 is about 686.9298738300.

Adding to 324143421 its reverse (124341423), we get a palindrome (448484844).

The spelling of 324143421 in words is "three hundred twenty-four million, one hundred forty-three thousand, four hundred twenty-one".