20123211330233 has 8 divisors (see below), whose sum is σ = 21978759378240. Its totient is φ = 18272024148880.

The previous prime is 20123211330223. The next prime is 20123211330247. The reversal of 20123211330233 is 33203311232102.

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 20123211330233 - 2⁴⁰ = 19023699702457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20123211330223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090207010 + ... + 1090225467.

It is an arithmetic number, because the mean of its divisors is an integer number (2747344922280).

Almost surely, 2^{20123211330233} is an apocalyptic number.

It is an amenable number.

20123211330233 is a deficient number, since it is larger than the sum of its proper divisors (1855548048007).

20123211330233 is a wasteful number, since it uses less digits than its factorization.

20123211330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180433327.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20123211330233 its reverse (33203311232102), we get a palindrome (53326522562335).

The spelling of 20123211330233 in words is "twenty trillion, one hundred twenty-three billion, two hundred eleven million, three hundred thirty thousand, two hundred thirty-three".