23233033221 has 16 divisors (see below), whose sum is σ = 32802936768. Its totient is φ = 14576096000.

The previous prime is 23233033193. The next prime is 23233033223. The reversal of 23233033221 is 12233033232.

It is a cyclic number.

It is not a de Polignac number, because 23233033221 - 2¹⁹ = 23232508933 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23233033191 and 23233033200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23233033223) 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, 692566 + ... + 725336.

It is an arithmetic number, because the mean of its divisors is an integer number (2050183548).

Almost surely, 2^23233033221 is an apocalyptic number.

It is an amenable number.

23233033221 is a deficient number, since it is larger than the sum of its proper divisors (9569903547).

23233033221 is a wasteful number, since it uses less digits than its factorization.

23233033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46692.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 23233033221 its reverse (12233033232), we get a palindrome (35466066453).

The spelling of 23233033221 in words is "twenty-three billion, two hundred thirty-three million, thirty-three thousand, two hundred twenty-one".