323023233221 has 4 divisors (see below), whose sum is σ = 347871174252. Its totient is φ = 298175292192.

The previous prime is 323023233157. The next prime is 323023233227. The reversal of 323023233221 is 122332320323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187186022500 + 135837210721 = 432650^2 + 368561^2 .

It is a cyclic number.

It is not a de Polignac number, because 323023233221 - 2⁶ = 323023233157 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 (323023233227) 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, 12423970496 + ... + 12423970521.

It is an arithmetic number, because the mean of its divisors is an integer number (86967793563).

Almost surely, 2^323023233221 is an apocalyptic number.

It is an amenable number.

323023233221 is a deficient number, since it is larger than the sum of its proper divisors (24847941031).

323023233221 is a wasteful number, since it uses less digits than its factorization.

323023233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24847941030.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 323023233221 its reverse (122332320323), we get a palindrome (445355553544).

The spelling of 323023233221 in words is "three hundred twenty-three billion, twenty-three million, two hundred thirty-three thousand, two hundred twenty-one".