212022423 has 24 divisors (see below), whose sum is σ = 316967040. Its totient is φ = 136428480.

The previous prime is 212022407. The next prime is 212022427. The reversal of 212022423 is 324220212.

212022423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212022423 - 2⁴ = 212022407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212022396 and 212022405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141265 + ... + 142757.

It is an arithmetic number, because the mean of its divisors is an integer number (13206960).

Almost surely, 2^212022423 is an apocalyptic number.

212022423 is a deficient number, since it is larger than the sum of its proper divisors (104944617).

212022423 is a wasteful number, since it uses less digits than its factorization.

212022423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 212022423 is about 14560.9897671827. The cubic root of 212022423 is about 596.2942174135.

Adding to 212022423 its reverse (324220212), we get a palindrome (536242635).

The spelling of 212022423 in words is "two hundred twelve million, twenty-two thousand, four hundred twenty-three".