323103231230221 has 32 divisors (see below), whose sum is σ = 363291501323520. Its totient is φ = 285120286032384.

The previous prime is 323103231230209. The next prime is 323103231230239. The reversal of 323103231230221 is 122032132301323.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 323103231230221 - 2⁷ = 323103231230093 is a prime.

It is a super-2 number, since 2×323103231230221² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323103231230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323103231230921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4410387090 + ... + 4410460348.

It is an arithmetic number, because the mean of its divisors is an integer number (11352859416360).

Almost surely, 2^{323103231230221} is an apocalyptic number.

It is an amenable number.

323103231230221 is a deficient number, since it is larger than the sum of its proper divisors (40188270093299).

323103231230221 is a wasteful number, since it uses less digits than its factorization.

323103231230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81445.

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

Adding to 323103231230221 its reverse (122032132301323), we get a palindrome (445135363531544).

The spelling of 323103231230221 in words is "three hundred twenty-three trillion, one hundred three billion, two hundred thirty-one million, two hundred thirty thousand, two hundred twenty-one".