23433011221 has 8 divisors (see below), whose sum is σ = 23484890720. Its totient is φ = 23381165808.

The previous prime is 23433011209. The next prime is 23433011227. The reversal of 23433011221 is 12211033432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23433011221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23433011192 and 23433011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23433011227) 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 7 ways as a sum of consecutive naturals, for example, 1759630 + ... + 1772896.

It is an arithmetic number, because the mean of its divisors is an integer number (2935611340).

Almost surely, 2^23433011221 is an apocalyptic number.

It is an amenable number.

23433011221 is a deficient number, since it is larger than the sum of its proper divisors (51879499).

23433011221 is a wasteful number, since it uses less digits than its factorization.

23433011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17043.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23433011221 its reverse (12211033432), we get a palindrome (35644044653).

The spelling of 23433011221 in words is "twenty-three billion, four hundred thirty-three million, eleven thousand, two hundred twenty-one".