213453512333 has 16 divisors (see below), whose sum is σ = 218354376240. Its totient is φ = 208585887744.

The previous prime is 213453512329. The next prime is 213453512357. The reversal of 213453512333 is 333215354312.

213453512333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 10735653769 + 202717858564 = 103613^2 + 450242^2 .

It is a cyclic number.

It is not a de Polignac number, because 213453512333 - 2² = 213453512329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213453512293 and 213453512302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213453512533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35853485 + ... + 35859437.

It is an arithmetic number, because the mean of its divisors is an integer number (13647148515).

Almost surely, 2^213453512333 is an apocalyptic number.

It is an amenable number.

213453512333 is a deficient number, since it is larger than the sum of its proper divisors (4900863907).

213453512333 is a wasteful number, since it uses less digits than its factorization.

213453512333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8608.

The product of its digits is 97200, while the sum is 35.

Adding to 213453512333 its reverse (333215354312), we get a palindrome (546668866645).

The spelling of 213453512333 in words is "two hundred thirteen billion, four hundred fifty-three million, five hundred twelve thousand, three hundred thirty-three".