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340123 = 748589
BaseRepresentation
bin1010011000010011011
3122021120011
41103002123
541340443
611142351
72614420
oct1230233
9567504
10340123
112125a3
121449b7
13bba74
148bd47
156ab9d
hex5309b

340123 has 4 divisors (see below), whose sum is σ = 388720. Its totient is φ = 291528.

The previous prime is 340121. The next prime is 340127. The reversal of 340123 is 321043.

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 340123 - 21 = 340121 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (340121) 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, 24288 + ... + 24301.

It is an arithmetic number, because the mean of its divisors is an integer number (97180).

2340123 is an apocalyptic number.

340123 is a deficient number, since it is larger than the sum of its proper divisors (48597).

340123 is an equidigital number, since it uses as much as digits as its factorization.

340123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48596.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 340123 is about 583.2006515771. The cubic root of 340123 is about 69.8037359489.

Adding to 340123 its reverse (321043), we get a palindrome (661166).

The spelling of 340123 in words is "three hundred forty thousand, one hundred twenty-three", and thus it is an iban number.

Divisors: 1 7 48589 340123