233232023331021 has 24 divisors (see below), whose sum is σ = 368110216106080. Its totient is φ = 130479453609120.

The previous prime is 233232023331011. The next prime is 233232023331053. The reversal of 233232023331021 is 120133320232332.

It is not a de Polignac number, because 233232023331021 - 2⁵ = 233232023330989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233232023331021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233232023331011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24712013011 + ... + 24712022448.

Almost surely, 2^{233232023331021} is an apocalyptic number.

It is an amenable number.

233232023331021 is a deficient number, since it is larger than the sum of its proper divisors (134878192775059).

233232023331021 is a wasteful number, since it uses less digits than its factorization.

233232023331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49424035497 (or 49424035486 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 233232023331021 its reverse (120133320232332), we get a palindrome (353365343563353).

The spelling of 233232023331021 in words is "two hundred thirty-three trillion, two hundred thirty-two billion, twenty-three million, three hundred thirty-one thousand, twenty-one".