23201033321 has 4 divisors (see below), whose sum is σ = 23209748352. Its totient is φ = 23192318292.

The previous prime is 23201033257. The next prime is 23201033333. The reversal of 23201033321 is 12333010232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23201033321 - 2⁶ = 23201033257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23201033293 and 23201033302.

It is not an unprimeable number, because it can be changed into a prime (23201033021) 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, 4353521 + ... + 4358846.

It is an arithmetic number, because the mean of its divisors is an integer number (5802437088).

Almost surely, 2^23201033321 is an apocalyptic number.

It is an amenable number.

23201033321 is a deficient number, since it is larger than the sum of its proper divisors (8715031).

23201033321 is an equidigital number, since it uses as much as digits as its factorization.

23201033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8715030.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23201033321 its reverse (12333010232), we get a palindrome (35534043553).

The spelling of 23201033321 in words is "twenty-three billion, two hundred one million, thirty-three thousand, three hundred twenty-one".