23201121233 has 16 divisors (see below), whose sum is σ = 23478491520. Its totient is φ = 22925997696.

The previous prime is 23201121211. The next prime is 23201121239. The reversal of 23201121233 is 33212110232.

It is a cyclic number.

It is not a de Polignac number, because 23201121233 - 2⁸ = 23201120977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23201121239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29480066 + ... + 29480852.

It is an arithmetic number, because the mean of its divisors is an integer number (1467405720).

Almost surely, 2^23201121233 is an apocalyptic number.

It is an amenable number.

23201121233 is a deficient number, since it is larger than the sum of its proper divisors (277370287).

23201121233 is a wasteful number, since it uses less digits than its factorization.

23201121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23201121233 its reverse (33212110232), we get a palindrome (56413231465).

The spelling of 23201121233 in words is "twenty-three billion, two hundred one million, one hundred twenty-one thousand, two hundred thirty-three".