323203002121021 has 16 divisors (see below), whose sum is σ = 376369558387200. Its totient is φ = 274436136298800.

The previous prime is 323203002121003. The next prime is 323203002121033. The reversal of 323203002121021 is 120121200302323.

It is a cyclic number.

It is not a de Polignac number, because 323203002121021 - 2¹³ = 323203002112829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323203002120983 and 323203002121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323203002121061) 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, 10890308031 + ... + 10890337708.

It is an arithmetic number, because the mean of its divisors is an integer number (23523097399200).

Almost surely, 2^{323203002121021} is an apocalyptic number.

It is an amenable number.

323203002121021 is a deficient number, since it is larger than the sum of its proper divisors (53166556266179).

323203002121021 is a wasteful number, since it uses less digits than its factorization.

323203002121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21780645840.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 323203002121021 its reverse (120121200302323), we get a palindrome (443324202423344).

The spelling of 323203002121021 in words is "three hundred twenty-three trillion, two hundred three billion, two million, one hundred twenty-one thousand, twenty-one".