20133121323233 has 8 divisors (see below), whose sum is σ = 20340298882176. Its totient is φ = 19926998103600.

The previous prime is 20133121323197. The next prime is 20133121323311. The reversal of 20133121323233 is 33232312133102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20133121323233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133121323196 and 20133121323205.

It is not an unprimeable number, because it can be changed into a prime (20133121320233) 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, 263546441 + ... + 263622822.

It is an arithmetic number, because the mean of its divisors is an integer number (2542537360272).

Almost surely, 2^{20133121323233} is an apocalyptic number.

It is an amenable number.

20133121323233 is a deficient number, since it is larger than the sum of its proper divisors (207177558943).

20133121323233 is a wasteful number, since it uses less digits than its factorization.

20133121323233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527169655.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 20133121323233 its reverse (33232312133102), we get a palindrome (53365433456335).

The spelling of 20133121323233 in words is "twenty trillion, one hundred thirty-three billion, one hundred twenty-one million, three hundred twenty-three thousand, two hundred thirty-three".