233240042421321 has 12 divisors (see below), whose sum is σ = 336748936987728. Its totient is φ = 143532333797424.

The previous prime is 233240042421317. The next prime is 233240042421367. The reversal of 233240042421321 is 123124240042332.

It is a happy number.

It is not a de Polignac number, because 233240042421321 - 2² = 233240042421317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233240042431321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230019765195 + ... + 230019766208.

It is an arithmetic number, because the mean of its divisors is an integer number (28062411415644).

Almost surely, 2^{233240042421321} is an apocalyptic number.

It is an amenable number.

233240042421321 is a deficient number, since it is larger than the sum of its proper divisors (103508894566407).

233240042421321 is a wasteful number, since it uses less digits than its factorization.

233240042421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460039531432 (or 460039531419 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 233240042421321 its reverse (123124240042332), we get a palindrome (356364282463653).

The spelling of 233240042421321 in words is "two hundred thirty-three trillion, two hundred forty billion, forty-two million, four hundred twenty-one thousand, three hundred twenty-one".