323121021023311 has 16 divisors (see below), whose sum is σ = 370214053217280. Its totient is φ = 276261220620000.

The previous prime is 323121021023303. The next prime is 323121021023321. The reversal of 323121021023311 is 113320120121323.

It is not a de Polignac number, because 323121021023311 - 2³ = 323121021023303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323121021023321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475567050 + ... + 476246008.

It is an arithmetic number, because the mean of its divisors is an integer number (23138378326080).

Almost surely, 2^{323121021023311} is an apocalyptic number.

323121021023311 is a deficient number, since it is larger than the sum of its proper divisors (47093032193969).

323121021023311 is a wasteful number, since it uses less digits than its factorization.

323121021023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850614.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 323121021023311 its reverse (113320120121323), we get a palindrome (436441141144634).

The spelling of 323121021023311 in words is "three hundred twenty-three trillion, one hundred twenty-one billion, twenty-one million, twenty-three thousand, three hundred eleven".