213022230323233 has 4 divisors (see below), whose sum is σ = 220367824472340. Its totient is φ = 205676636174128.

The previous prime is 213022230323197. The next prime is 213022230323251. The reversal of 213022230323233 is 332323032220312.

It is a happy number.

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 183477102618384 + 29545127704849 = 13545372^2 + 5435543^2 .

It is a cyclic number.

It is not a de Polignac number, because 213022230323233 - 2⁹ = 213022230322721 is a prime.

It is a super-2 number, since 2×213022230323233² (a number of 29 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 = 213022230323195 and 213022230323204.

It is not an unprimeable number, because it can be changed into a prime (213022230333233) 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, 3672797074510 + ... + 3672797074567.

It is an arithmetic number, because the mean of its divisors is an integer number (55091956118085).

Almost surely, 2^{213022230323233} is an apocalyptic number.

It is an amenable number.

213022230323233 is a deficient number, since it is larger than the sum of its proper divisors (7345594149107).

213022230323233 is an equidigital number, since it uses as much as digits as its factorization.

213022230323233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7345594149106.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 213022230323233 its reverse (332323032220312), we get a palindrome (545345262543545).

The spelling of 213022230323233 in words is "two hundred thirteen trillion, twenty-two billion, two hundred thirty million, three hundred twenty-three thousand, two hundred thirty-three".