321223434341020 has 24 divisors (see below), whose sum is σ = 680757920488800. Its totient is φ = 127310572141632.

The previous prime is 321223434340969. The next prime is 321223434341027. The reversal of 321223434341020 is 20143434322123.

It is a super-3 number, since 3×321223434341020³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321223434341027) 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, 73675097440 + ... + 73675101799.

It is an arithmetic number, because the mean of its divisors is an integer number (28364913353700).

Almost surely, 2^{321223434341020} is an apocalyptic number.

It is an amenable number.

321223434341020 is an abundant number, since it is smaller than the sum of its proper divisors (359534486147780).

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

321223434341020 is a wasteful number, since it uses less digits than its factorization.

321223434341020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147350199357 (or 147350199355 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 321223434341020 its reverse (20143434322123), we get a palindrome (341366868663143).

The spelling of 321223434341020 in words is "three hundred twenty-one trillion, two hundred twenty-three billion, four hundred thirty-four million, three hundred forty-one thousand, twenty".