23233203321121 has 4 divisors (see below), whose sum is σ = 23241710538544. Its totient is φ = 23224696103700.

The previous prime is 23233203320927. The next prime is 23233203321131. The reversal of 23233203321121 is 12112330233232.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-23233203321121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23233203321121.

It is not an unprimeable number, because it can be changed into a prime (23233203321131) 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, 4253604615 + ... + 4253610076.

It is an arithmetic number, because the mean of its divisors is an integer number (5810427634636).

Almost surely, 2^{23233203321121} is an apocalyptic number.

It is an amenable number.

23233203321121 is a deficient number, since it is larger than the sum of its proper divisors (8507217423).

23233203321121 is an equidigital number, since it uses as much as digits as its factorization.

23233203321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507217422.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 23233203321121 its reverse (12112330233232), we get a palindrome (35345533554353).

The spelling of 23233203321121 in words is "twenty-three trillion, two hundred thirty-three billion, two hundred three million, three hundred twenty-one thousand, one hundred twenty-one".