212544023 has 2 divisors, whose sum is σ = 212544024. Its totient is φ = 212544022.

The previous prime is 212544001. The next prime is 212544043. The reversal of 212544023 is 320445212.

It is a happy number.

212544023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212544023 - 2¹⁰ = 212542999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212544023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212544043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106272011 + 106272012.

It is an arithmetic number, because the mean of its divisors is an integer number (106272012).

Almost surely, 2^212544023 is an apocalyptic number.

212544023 is a deficient number, since it is larger than the sum of its proper divisors (1).

212544023 is an equidigital number, since it uses as much as digits as its factorization.

212544023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 212544023 is about 14578.8896353598. The cubic root of 212544023 is about 596.7828015188.

Adding to 212544023 its reverse (320445212), we get a palindrome (532989235).

The spelling of 212544023 in words is "two hundred twelve million, five hundred forty-four thousand, twenty-three".