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212223323 = 1323709777
BaseRepresentation
bin11001010011001…
…00010101011011
3112210100001200002
430221210111123
5413312121243
633020403215
75154603614
oct1451442533
9483301602
10212223323
11a9881584
125b0a650b
1334c76b40
1420284c0b
1513970eb8
hexca6455b

212223323 has 8 divisors (see below), whose sum is σ = 238485408. Its totient is φ = 187380864.

The previous prime is 212223313. The next prime is 212223343. The reversal of 212223323 is 323322212.

212223323 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 212223323 - 24 = 212223307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212223295 and 212223304.

It is not an unprimeable number, because it can be changed into a prime (212223313) 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, 354590 + ... + 355187.

It is an arithmetic number, because the mean of its divisors is an integer number (29810676).

Almost surely, 2212223323 is an apocalyptic number.

212223323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212223323 is a deficient number, since it is larger than the sum of its proper divisors (26262085).

212223323 is a wasteful number, since it uses less digits than its factorization.

212223323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709813.

The product of its digits is 864, while the sum is 20.

The square root of 212223323 is about 14567.8867032937. The cubic root of 212223323 is about 596.4824957560.

Adding to 212223323 its reverse (323322212), we get a palindrome (535545535).

The spelling of 212223323 in words is "two hundred twelve million, two hundred twenty-three thousand, three hundred twenty-three".

Divisors: 1 13 23 299 709777 9227101 16324871 212223323