213123202333 has 8 divisors (see below), whose sum is σ = 215167712760. Its totient is φ = 211080314880.

The previous prime is 213123202319. The next prime is 213123202423. The reversal of 213123202333 is 333202321312.

It can be written as a sum of positive squares in 4 ways, for example, as 74710928889 + 138412273444 = 273333^2 + 372038^2 .

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 213123202333 - 2¹⁷ = 213123071261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213123202298 and 213123202307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213123202433) 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, 141028 + ... + 667933.

It is an arithmetic number, because the mean of its divisors is an integer number (26895964095).

Almost surely, 2^213123202333 is an apocalyptic number.

It is an amenable number.

213123202333 is a deficient number, since it is larger than the sum of its proper divisors (2044510427).

213123202333 is a wasteful number, since it uses less digits than its factorization.

213123202333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811487.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213123202333 its reverse (333202321312), we get a palindrome (546325523645).

The spelling of 213123202333 in words is "two hundred thirteen billion, one hundred twenty-three million, two hundred two thousand, three hundred thirty-three".