23201133 has 4 divisors (see below), whose sum is σ = 30934848. Its totient is φ = 15467420.

The previous prime is 23201119. The next prime is 23201137. The reversal of 23201133 is 33110232.

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 23201133 - 2⁴ = 23201117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3866853 + ... + 3866858.

It is an arithmetic number, because the mean of its divisors is an integer number (7733712).

Almost surely, 2^23201133 is an apocalyptic number.

It is an amenable number.

23201133 is a deficient number, since it is larger than the sum of its proper divisors (7733715).

23201133 is an equidigital number, since it uses as much as digits as its factorization.

23201133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7733714.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23201133 is about 4816.7554432419. The cubic root of 23201133 is about 285.2132721888.

Adding to 23201133 its reverse (33110232), we get a palindrome (56311365).

Subtracting 23201133 from its reverse (33110232), we obtain a palindrome (9909099).

The spelling of 23201133 in words is "twenty-three million, two hundred one thousand, one hundred thirty-three".