323000021231 has 4 divisors (see below), whose sum is σ = 324052138872. Its totient is φ = 321947903592.

The previous prime is 323000021203. The next prime is 323000021249. The reversal of 323000021231 is 132120000323.

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

It is a cyclic number.

It is not a de Polignac number, because 323000021231 - 2³⁰ = 321926279407 is a prime.

It is a super-2 number, since 2×323000021231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323000021251) 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, 526058360 + ... + 526058973.

It is an arithmetic number, because the mean of its divisors is an integer number (81013034718).

Almost surely, 2^323000021231 is an apocalyptic number.

323000021231 is a deficient number, since it is larger than the sum of its proper divisors (1052117641).

323000021231 is a wasteful number, since it uses less digits than its factorization.

323000021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052117640.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 323000021231 its reverse (132120000323), we get a palindrome (455120021554).

The spelling of 323000021231 in words is "three hundred twenty-three billion, twenty-one thousand, two hundred thirty-one".