233213330123321 has 4 divisors (see below), whose sum is σ = 233570471517732. Its totient is φ = 232856188728912.

The previous prime is 233213330123177. The next prime is 233213330123327. The reversal of 233213330123321 is 123321033312332.

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 135590630746921 + 97622699376400 = 11644339^2 + 9880420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233213330123321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233213330123327) 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, 178570696226 + ... + 178570697531.

It is an arithmetic number, because the mean of its divisors is an integer number (58392617879433).

Almost surely, 2^{233213330123321} is an apocalyptic number.

It is an amenable number.

233213330123321 is a deficient number, since it is larger than the sum of its proper divisors (357141394411).

233213330123321 is an equidigital number, since it uses as much as digits as its factorization.

233213330123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357141394410.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 233213330123321 its reverse (123321033312332), we get a palindrome (356534363435653).

The spelling of 233213330123321 in words is "two hundred thirty-three trillion, two hundred thirteen billion, three hundred thirty million, one hundred twenty-three thousand, three hundred twenty-one".