23321302321 has 4 divisors (see below), whose sum is σ = 24693143652. Its totient is φ = 21949460992.

The previous prime is 23321302271. The next prime is 23321302363. The reversal of 23321302321 is 12320312332.

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 7350661696 + 15970640625 = 85736^2 + 126375^2 .

It is a cyclic number.

It is not a de Polignac number, because 23321302321 - 2¹⁵ = 23321269553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23321302292 and 23321302301.

It is not an unprimeable number, because it can be changed into a prime (23321305321) 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, 685920640 + ... + 685920673.

It is an arithmetic number, because the mean of its divisors is an integer number (6173285913).

Almost surely, 2^23321302321 is an apocalyptic number.

It is an amenable number.

23321302321 is a deficient number, since it is larger than the sum of its proper divisors (1371841331).

23321302321 is a wasteful number, since it uses less digits than its factorization.

23321302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371841330.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23321302321 its reverse (12320312332), we get a palindrome (35641614653).

The spelling of 23321302321 in words is "twenty-three billion, three hundred twenty-one million, three hundred two thousand, three hundred twenty-one".