321424232 has 16 divisors (see below), whose sum is σ = 606281760. Its totient is φ = 159749104.

The previous prime is 321424193. The next prime is 321424247. The reversal of 321424232 is 232424123.

It is a junction number, because it is equal to n+sod(n) for n = 321424198 and 321424207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118958 + ... + 121629.

It is an arithmetic number, because the mean of its divisors is an integer number (37892610).

Almost surely, 2^321424232 is an apocalyptic number.

It is an amenable number.

321424232 is a deficient number, since it is larger than the sum of its proper divisors (284857528).

321424232 is a wasteful number, since it uses less digits than its factorization.

321424232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240760 (or 240756 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 321424232 is about 17928.3081187267. The cubic root of 321424232 is about 685.0036279489.

Adding to 321424232 its reverse (232424123), we get a palindrome (553848355).

The spelling of 321424232 in words is "three hundred twenty-one million, four hundred twenty-four thousand, two hundred thirty-two".