323323040221 has 4 divisors (see below), whose sum is σ = 333752815744. Its totient is φ = 312893264700.

The previous prime is 323323040219. The next prime is 323323040233. The reversal of 323323040221 is 122040323323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 323323040221 - 2¹ = 323323040219 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 (323323040291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5214887715 + ... + 5214887776.

It is an arithmetic number, because the mean of its divisors is an integer number (83438203936).

Almost surely, 2^323323040221 is an apocalyptic number.

323323040221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

323323040221 is a deficient number, since it is larger than the sum of its proper divisors (10429775523).

323323040221 is a wasteful number, since it uses less digits than its factorization.

323323040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10429775522.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 323323040221 its reverse (122040323323), we get a palindrome (445363363544).

The spelling of 323323040221 in words is "three hundred twenty-three billion, three hundred twenty-three million, forty thousand, two hundred twenty-one".