213123323321030 has 16 divisors (see below), whose sum is σ = 383623311820320. Its totient is φ = 85249033807872.

The previous prime is 213123323321023. The next prime is 213123323321039. The reversal of 213123323321030 is 30123323321312.

It is a junction number, because it is equal to n+sod(n) for n = 213123323320984 and 213123323321002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213123323321039) 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, 33899195 + ... + 39691334.

It is an arithmetic number, because the mean of its divisors is an integer number (23976456988770).

Almost surely, 2^{213123323321030} is an apocalyptic number.

213123323321030 is a deficient number, since it is larger than the sum of its proper divisors (170499988499290).

213123323321030 is a wasteful number, since it uses less digits than its factorization.

213123323321030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73880143.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 213123323321030 its reverse (30123323321312), we get a palindrome (243246646642342).

The spelling of 213123323321030 in words is "two hundred thirteen trillion, one hundred twenty-three billion, three hundred twenty-three million, three hundred twenty-one thousand, thirty".