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12343443 = 37283969
BaseRepresentation
bin101111000101…
…100010010011
3212020010000120
4233011202103
511124442233
61120321323
7206626500
oct57054223
925203016
1012343443
116a708a2
124173243
132732418
1418d44a7
15113c4b3
hexbc5893

12343443 has 12 divisors (see below), whose sum is σ = 19145160. Its totient is φ = 7053312.

The previous prime is 12343439. The next prime is 12343447. The reversal of 12343443 is 34434321.

12343443 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12343439) and next prime (12343447).

It is not a de Polignac number, because 12343443 - 22 = 12343439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12343447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41838 + ... + 42131.

It is an arithmetic number, because the mean of its divisors is an integer number (1595430).

Almost surely, 212343443 is an apocalyptic number.

12343443 is a deficient number, since it is larger than the sum of its proper divisors (6801717).

12343443 is an equidigital number, since it uses as much as digits as its factorization.

12343443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83986 (or 83979 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 12343443 is about 3513.3236400878. The cubic root of 12343443 is about 231.1064706617.

Adding to 12343443 its reverse (34434321), we get a palindrome (46777764).

The spelling of 12343443 in words is "twelve million, three hundred forty-three thousand, four hundred forty-three".

Divisors: 1 3 7 21 49 147 83969 251907 587783 1763349 4114481 12343443