212354223 has 8 divisors (see below), whose sum is σ = 283212336. Its totient is φ = 141532800.

The previous prime is 212354209. The next prime is 212354227. The reversal of 212354223 is 322453212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212354223 - 2⁶ = 212354159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212354193 and 212354202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212354227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10153 + ... + 22973.

It is an arithmetic number, because the mean of its divisors is an integer number (35401542).

Almost surely, 2^212354223 is an apocalyptic number.

212354223 is a deficient number, since it is larger than the sum of its proper divisors (70858113).

212354223 is a wasteful number, since it uses less digits than its factorization.

212354223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18345.

The product of its digits is 2880, while the sum is 24.

The square root of 212354223 is about 14572.3787694391. The cubic root of 212354223 is about 596.6051079645.

The spelling of 212354223 in words is "two hundred twelve million, three hundred fifty-four thousand, two hundred twenty-three".