23321233321 has 4 divisors (see below), whose sum is σ = 23535189700. Its totient is φ = 23107276944.

The previous prime is 23321233307. The next prime is 23321233339. The reversal of 23321233321 is 12333212332.

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 17705229721 + 5616003600 = 133061^2 + 74940^2 .

It is a cyclic number.

It is not a de Polignac number, because 23321233321 - 2¹⁷ = 23321102249 is a prime.

It is a super-2 number, since 2×23321233321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23321233391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106978026 + ... + 106978243.

It is an arithmetic number, because the mean of its divisors is an integer number (5883797425).

Almost surely, 2^23321233321 is an apocalyptic number.

It is an amenable number.

23321233321 is a deficient number, since it is larger than the sum of its proper divisors (213956379).

23321233321 is a wasteful number, since it uses less digits than its factorization.

23321233321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213956378.

The product of its digits is 3888, while the sum is 25.

Adding to 23321233321 its reverse (12333212332), we get a palindrome (35654445653).

The spelling of 23321233321 in words is "twenty-three billion, three hundred twenty-one million, two hundred thirty-three thousand, three hundred twenty-one".