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34123423 is a prime number
BaseRepresentation
bin1000001000101…
…0111010011111
32101012122112111
42002022322133
532213422143
63215214451
7563021125
oct202127237
971178474
1034123423
1118297484
12b517427
1370b9a99
144763915
152ee099d
hex208ae9f

34123423 has 2 divisors, whose sum is σ = 34123424. Its totient is φ = 34123422.

The previous prime is 34123393. The next prime is 34123447. The reversal of 34123423 is 32432143.

It is a happy number.

34123423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (32432143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34123423 - 25 = 34123391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34123394 and 34123403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34123493) 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 as a sum of consecutive naturals, namely, 17061711 + 17061712.

It is an arithmetic number, because the mean of its divisors is an integer number (17061712).

Almost surely, 234123423 is an apocalyptic number.

34123423 is a deficient number, since it is larger than the sum of its proper divisors (1).

34123423 is an equidigital number, since it uses as much as digits as its factorization.

34123423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 22.

The square root of 34123423 is about 5841.5257424752. The cubic root of 34123423 is about 324.3527093036.

Adding to 34123423 its reverse (32432143), we get a palindrome (66555566).

The spelling of 34123423 in words is "thirty-four million, one hundred twenty-three thousand, four hundred twenty-three".