23210221233 has 4 divisors (see below), whose sum is σ = 30946961648. Its totient is φ = 15473480820.

The previous prime is 23210221231. The next prime is 23210221289. The reversal of 23210221233 is 33212201232.

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 not a de Polignac number, because 23210221233 - 2¹ = 23210221231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23210221231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868370203 + ... + 3868370208.

It is an arithmetic number, because the mean of its divisors is an integer number (7736740412).

Almost surely, 2^23210221233 is an apocalyptic number.

It is an amenable number.

23210221233 is a deficient number, since it is larger than the sum of its proper divisors (7736740415).

23210221233 is an equidigital number, since it uses as much as digits as its factorization.

23210221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736740414.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23210221233 its reverse (33212201232), we get a palindrome (56422422465).

The spelling of 23210221233 in words is "twenty-three billion, two hundred ten million, two hundred twenty-one thousand, two hundred thirty-three".