321223413024140 has 24 divisors (see below), whose sum is σ = 735893637110352. Its totient is φ = 116808513826880.

The previous prime is 321223413024133. The next prime is 321223413024167. The reversal of 321223413024140 is 41420314322123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 321223413024097 and 321223413024106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730053211199 + ... + 730053211638.

It is an arithmetic number, because the mean of its divisors is an integer number (30662234879598).

Almost surely, 2^{321223413024140} is an apocalyptic number.

It is an amenable number.

321223413024140 is an abundant number, since it is smaller than the sum of its proper divisors (414670224086212).

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

321223413024140 is a wasteful number, since it uses less digits than its factorization.

321223413024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460106422857 (or 1460106422855 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 321223413024140 its reverse (41420314322123), we get a palindrome (362643727346263).

The spelling of 321223413024140 in words is "three hundred twenty-one trillion, two hundred twenty-three billion, four hundred thirteen million, twenty-four thousand, one hundred forty".