23233303205533 has 4 divisors (see below), whose sum is σ = 23367599756028. Its totient is φ = 23099006655040.

The previous prime is 23233303205407. The next prime is 23233303205557. The reversal of 23233303205533 is 33550230333232.

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 22609901370169 + 623401835364 = 4754987^2 + 789558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23233303205533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23233303205492 and 23233303205501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23233303202533) 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, 67148274988 + ... + 67148275333.

It is an arithmetic number, because the mean of its divisors is an integer number (5841899939007).

Almost surely, 2^{23233303205533} is an apocalyptic number.

It is an amenable number.

23233303205533 is a deficient number, since it is larger than the sum of its proper divisors (134296550495).

23233303205533 is a wasteful number, since it uses less digits than its factorization.

23233303205533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134296550494.

The product of its (nonzero) digits is 437400, while the sum is 37.

Adding to 23233303205533 its reverse (33550230333232), we get a palindrome (56783533538765).

The spelling of 23233303205533 in words is "twenty-three trillion, two hundred thirty-three billion, three hundred three million, two hundred five thousand, five hundred thirty-three".