23233030021 has 8 divisors (see below), whose sum is σ = 23727906720. Its totient is φ = 22740246672.

The previous prime is 23233029977. The next prime is 23233030027. The reversal of 23233030021 is 12003033232.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23233030021 - 2²¹ = 23230932869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23233030027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500895 + ... + 545308.

It is an arithmetic number, because the mean of its divisors is an integer number (2965988340).

Almost surely, 2^23233030021 is an apocalyptic number.

It is an amenable number.

23233030021 is a deficient number, since it is larger than the sum of its proper divisors (494876699).

23233030021 is a wasteful number, since it uses less digits than its factorization.

23233030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046675.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23233030021 its reverse (12003033232), we get a palindrome (35236063253).

The spelling of 23233030021 in words is "twenty-three billion, two hundred thirty-three million, thirty thousand, twenty-one".