2023213021133 has 4 divisors (see below), whose sum is σ = 2025005062140. Its totient is φ = 2021420980128.

The previous prime is 2023213021103. The next prime is 2023213021147. The reversal of 2023213021133 is 3311203123202.

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 251284646089 + 1771928375044 = 501283^2 + 1331138^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023213021133 - 2¹⁸ = 2023212758989 is a prime.

It is a super-2 number, since 2×2023213021133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023213021099 and 2023213021108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023213021103) 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 3 ways as a sum of consecutive naturals, for example, 896018810 + ... + 896021067.

It is an arithmetic number, because the mean of its divisors is an integer number (506251265535).

Almost surely, 2^{2023213021133} is an apocalyptic number.

It is an amenable number.

2023213021133 is a deficient number, since it is larger than the sum of its proper divisors (1792041007).

2023213021133 is a wasteful number, since it uses less digits than its factorization.

2023213021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792041006.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2023213021133 its reverse (3311203123202), we get a palindrome (5334416144335).

The spelling of 2023213021133 in words is "two trillion, twenty-three billion, two hundred thirteen million, twenty-one thousand, one hundred thirty-three".