233230331321 has 4 divisors (see below), whose sum is σ = 251171126052. Its totient is φ = 215289536592.

The previous prime is 233230331303. The next prime is 233230331333. The reversal of 233230331321 is 123133032332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71642410921 + 161587920400 = 267661^2 + 401980^2 .

It is not a de Polignac number, because 233230331321 - 2¹⁰ = 233230330297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233230334321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8970397346 + ... + 8970397371.

It is an arithmetic number, because the mean of its divisors is an integer number (62792781513).

Almost surely, 2^233230331321 is an apocalyptic number.

It is an amenable number.

233230331321 is a deficient number, since it is larger than the sum of its proper divisors (17940794731).

233230331321 is a wasteful number, since it uses less digits than its factorization.

233230331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17940794730.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 233230331321 its reverse (123133032332), we get a palindrome (356363363653).

The spelling of 233230331321 in words is "two hundred thirty-three billion, two hundred thirty million, three hundred thirty-one thousand, three hundred twenty-one".