212623423 has 8 divisors (see below), whose sum is σ = 218620688. Its totient is φ = 206639424.

The previous prime is 212623421. The next prime is 212623429. The reversal of 212623423 is 324326212.

212623423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212623423 - 2¹ = 212623421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212623421) 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, 35440 + ... + 41002.

It is an arithmetic number, because the mean of its divisors is an integer number (27327586).

Almost surely, 2^212623423 is an apocalyptic number.

212623423 is a deficient number, since it is larger than the sum of its proper divisors (5997265).

212623423 is a wasteful number, since it uses less digits than its factorization.

212623423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633.

The product of its digits is 3456, while the sum is 25.

The square root of 212623423 is about 14581.6124965657. The cubic root of 212623423 is about 596.8571055845.

Adding to 212623423 its reverse (324326212), we get a palindrome (536949635).

The spelling of 212623423 in words is "two hundred twelve million, six hundred twenty-three thousand, four hundred twenty-three".