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214443212323 = 732937578251
BaseRepresentation
bin1100011110110111001…
…1111011111000100011
3202111111220201220002011
43013231303323320203
512003134430243243
6242302554133351
721331050141514
oct3075563737043
9674456656064
10214443212323
1182a4366a40a
1235688721257
13172b66bc362
14a5443aaa0b
1558a145489d
hex31edcfbe23

214443212323 has 4 divisors (see below), whose sum is σ = 217380790648. Its totient is φ = 211505634000.

The previous prime is 214443212299. The next prime is 214443212327. The reversal of 214443212323 is 323212344412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214443212323 is a prime.

It is a super-2 number, since 2×2144432123232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214443212327) 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, 1468789053 + ... + 1468789198.

It is an arithmetic number, because the mean of its divisors is an integer number (54345197662).

Almost surely, 2214443212323 is an apocalyptic number.

214443212323 is a deficient number, since it is larger than the sum of its proper divisors (2937578325).

214443212323 is an equidigital number, since it uses as much as digits as its factorization.

214443212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937578324.

The product of its digits is 27648, while the sum is 31.

Adding to 214443212323 its reverse (323212344412), we get a palindrome (537655556735).

The spelling of 214443212323 in words is "two hundred fourteen billion, four hundred forty-three million, two hundred twelve thousand, three hundred twenty-three".

Divisors: 1 73 2937578251 214443212323