212334623 has 4 divisors (see below), whose sum is σ = 214437048. Its totient is φ = 210232200.

The previous prime is 212334611. The next prime is 212334631. The reversal of 212334623 is 326433212.

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 212334623 - 2¹⁶ = 212269087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212334592 and 212334601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212333623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051061 + ... + 1051262.

It is an arithmetic number, because the mean of its divisors is an integer number (53609262).

Almost surely, 2^212334623 is an apocalyptic number.

212334623 is a deficient number, since it is larger than the sum of its proper divisors (2102425).

212334623 is a wasteful number, since it uses less digits than its factorization.

212334623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102424.

The product of its digits is 5184, while the sum is 26.

The square root of 212334623 is about 14571.7062487548. The cubic root of 212334623 is about 596.5867521253.

Adding to 212334623 its reverse (326433212), we get a palindrome (538767835).

The spelling of 212334623 in words is "two hundred twelve million, three hundred thirty-four thousand, six hundred twenty-three".