323313001221100 has 72 divisors (see below), whose sum is σ = 767641178788848. Its totient is φ = 117219496396800.

The previous prime is 323313001221079. The next prime is 323313001221109. The reversal of 323313001221100 is 1122100313323.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (323313001221109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435713737 + ... + 436455136.

It is an arithmetic number, because the mean of its divisors is an integer number (10661683038734).

Almost surely, 2^{323313001221100} is an apocalyptic number.

It is an amenable number.

323313001221100 is an abundant number, since it is smaller than the sum of its proper divisors (444328177567748).

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

323313001221100 is a wasteful number, since it uses less digits than its factorization.

323313001221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872169235 (or 872169228 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 323313001221100 its reverse (1122100313323), we get a palindrome (324435101534423).

The spelling of 323313001221100 in words is "three hundred twenty-three trillion, three hundred thirteen billion, one million, two hundred twenty-one thousand, one hundred".