212030022323 has 4 divisors (see below), whose sum is σ = 242320025520. Its totient is φ = 181740019128.

The previous prime is 212030022317. The next prime is 212030022443. The reversal of 212030022323 is 323220030212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212030022323 - 2¹² = 212030018227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212030022295 and 212030022304.

It is not an unprimeable number, because it can be changed into a prime (212030022313) 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, 15145001588 + ... + 15145001601.

It is an arithmetic number, because the mean of its divisors is an integer number (60580006380).

Almost surely, 2^212030022323 is an apocalyptic number.

212030022323 is a deficient number, since it is larger than the sum of its proper divisors (30290003197).

212030022323 is an equidigital number, since it uses as much as digits as its factorization.

212030022323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30290003196.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 212030022323 its reverse (323220030212), we get a palindrome (535250052535).

The spelling of 212030022323 in words is "two hundred twelve billion, thirty million, twenty-two thousand, three hundred twenty-three".