323023213121 has 16 divisors (see below), whose sum is σ = 394178847744. Its totient is φ = 258679857744.

The previous prime is 323023213099. The next prime is 323023213151. The reversal of 323023213121 is 121312320323.

It is not a de Polignac number, because 323023213121 - 2¹⁴ = 323023196737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323023213151) 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, 23322791 + ... + 23336636.

It is an arithmetic number, because the mean of its divisors is an integer number (24636177984).

Almost surely, 2^323023213121 is an apocalyptic number.

It is an amenable number.

323023213121 is a deficient number, since it is larger than the sum of its proper divisors (71155634623).

323023213121 is a wasteful number, since it uses less digits than its factorization.

323023213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46659500.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 323023213121 its reverse (121312320323), we get a palindrome (444335533444).

It can be divided in two parts, 32302 and 3213121, that added together give a palindrome (3245423).

The spelling of 323023213121 in words is "three hundred twenty-three billion, twenty-three million, two hundred thirteen thousand, one hundred twenty-one".