323321032021312 has 56 divisors (see below), whose sum is σ = 691086710209896. Its totient is φ = 149194111008768.

The previous prime is 323321032021303. The next prime is 323321032021327. The reversal of 323321032021312 is 213120230123323.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24074488043776 + 299246543977536 = 4906576^2 + 17298744^2 .

It is a congruent number.

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, 36329293 + ... + 44344780.

It is an arithmetic number, because the mean of its divisors is an integer number (12340834110891).

Almost surely, 2^{323321032021312} is an apocalyptic number.

323321032021312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

323321032021312 is an abundant number, since it is smaller than the sum of its proper divisors (367765678188584).

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

323321032021312 is a wasteful number, since it uses less digits than its factorization.

323321032021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80678915 (or 80678905 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 323321032021312 its reverse (213120230123323), we get a palindrome (536441262144635).

The spelling of 323321032021312 in words is "three hundred twenty-three trillion, three hundred twenty-one billion, thirty-two million, twenty-one thousand, three hundred twelve".