233121202013 has 8 divisors (see below), whose sum is σ = 269062095360. Its totient is φ = 197839774800.

The previous prime is 233121202009. The next prime is 233121202037. The reversal of 233121202013 is 310202121332.

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 233121202013 - 2² = 233121202009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233121202003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164865773 + ... + 164867186.

It is an arithmetic number, because the mean of its divisors is an integer number (33632761920).

Almost surely, 2^233121202013 is an apocalyptic number.

It is an amenable number.

233121202013 is a deficient number, since it is larger than the sum of its proper divisors (35940893347).

233121202013 is a wasteful number, since it uses less digits than its factorization.

233121202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329733067.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 233121202013 its reverse (310202121332), we get a palindrome (543323323345).

The spelling of 233121202013 in words is "two hundred thirty-three billion, one hundred twenty-one million, two hundred two thousand, thirteen".