212111030023 has 8 divisors (see below), whose sum is σ = 216403983360. Its totient is φ = 207851227320.

The previous prime is 212111030011. The next prime is 212111030039. The reversal of 212111030023 is 320030111212.

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 212111030023 - 2¹³ = 212111021831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212111029979 and 212111030006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111030003) 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, 8274733 + ... + 8300326.

It is an arithmetic number, because the mean of its divisors is an integer number (27050497920).

Almost surely, 2^212111030023 is an apocalyptic number.

212111030023 is a deficient number, since it is larger than the sum of its proper divisors (4292953337).

212111030023 is a wasteful number, since it uses less digits than its factorization.

212111030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16575317.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212111030023 its reverse (320030111212), we get a palindrome (532141141235).

The spelling of 212111030023 in words is "two hundred twelve billion, one hundred eleven million, thirty thousand, twenty-three".