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212343323 = 652132563
BaseRepresentation
bin11001010100000…
…01101000011011
3112210120011021112
430222001220123
5413324441243
633023130535
75155613513
oct1452015033
9483504245
10212343323
11a9953755
125b143a4b
1334cb964a
14202b6843
1513996818
hexca81a1b

212343323 has 4 divisors (see below), whose sum is σ = 212382408. Its totient is φ = 212304240.

The previous prime is 212343317. The next prime is 212343347. The reversal of 212343323 is 323343212.

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 212343323 - 28 = 212343067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212343353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9761 + ... + 22802.

It is an arithmetic number, because the mean of its divisors is an integer number (53095602).

Almost surely, 2212343323 is an apocalyptic number.

212343323 is a deficient number, since it is larger than the sum of its proper divisors (39085).

212343323 is an equidigital number, since it uses as much as digits as its factorization.

212343323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39084.

The product of its digits is 2592, while the sum is 23.

The square root of 212343323 is about 14572.0047694200. The cubic root of 212343323 is about 596.5949000097.

Adding to 212343323 its reverse (323343212), we get a palindrome (535686535).

The spelling of 212343323 in words is "two hundred twelve million, three hundred forty-three thousand, three hundred twenty-three".

Divisors: 1 6521 32563 212343323