233313321021233 has 4 divisors (see below), whose sum is σ = 247037634022500. Its totient is φ = 219589008019968.

The previous prime is 233313321021197. The next prime is 233313321021247. The reversal of 233313321021233 is 332120123313332.

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 157426782402289 + 75886538618944 = 12546983^2 + 8711288^2 .

It is a cyclic number.

It is not a de Polignac number, because 233313321021233 - 2³⁶ = 233244601544497 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 233313321021233.

It is not an unprimeable number, because it can be changed into a prime (233313321021133) 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, 6862156500608 + ... + 6862156500641.

It is an arithmetic number, because the mean of its divisors is an integer number (61759408505625).

Almost surely, 2^{233313321021233} is an apocalyptic number.

It is an amenable number.

233313321021233 is a deficient number, since it is larger than the sum of its proper divisors (13724313001267).

233313321021233 is a wasteful number, since it uses less digits than its factorization.

233313321021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13724313001266.

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

Adding to 233313321021233 its reverse (332120123313332), we get a palindrome (565433444334565).

The spelling of 233313321021233 in words is "two hundred thirty-three trillion, three hundred thirteen billion, three hundred twenty-one million, twenty-one thousand, two hundred thirty-three".