321230243224 has 32 divisors (see below), whose sum is σ = 663835712400. Its totient is φ = 144508446720.

The previous prime is 321230243209. The next prime is 321230243227. The reversal of 321230243224 is 422342032123.

It is a junction number, because it is equal to n+sod(n) for n = 321230243192 and 321230243201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321230243227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18807669 + ... + 18824740.

Almost surely, 2^321230243224 is an apocalyptic number.

It is an amenable number.

321230243224 is an abundant number, since it is smaller than the sum of its proper divisors (342605469176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321230243224 is a wasteful number, since it uses less digits than its factorization.

321230243224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37632523 (or 37632519 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 321230243224 its reverse (422342032123), we get a palindrome (743572275347).

The spelling of 321230243224 in words is "three hundred twenty-one billion, two hundred thirty million, two hundred forty-three thousand, two hundred twenty-four".