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124023 = 341341
BaseRepresentation
bin11110010001110111
320022010110
4132101313
512432043
62354103
71024404
oct362167
9208113
10124023
11851a9
125b933
13445b3
14332ab
1526b33
hex1e477

124023 has 4 divisors (see below), whose sum is σ = 165368. Its totient is φ = 82680.

The previous prime is 124021. The next prime is 124067. The reversal of 124023 is 320421.

Adding to 124023 its reverse (320421), we get a palindrome (444444).

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

It is not a de Polignac number, because 124023 - 21 = 124021 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20668 + ... + 20673.

It is an arithmetic number, because the mean of its divisors is an integer number (41342).

2124023 is an apocalyptic number.

124023 is a deficient number, since it is larger than the sum of its proper divisors (41345).

124023 is an equidigital number, since it uses as much as digits as its factorization.

124023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41344.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 124023 is about 352.1689935244. The cubic root of 124023 is about 49.8693924638.

The spelling of 124023 in words is "one hundred twenty-four thousand, twenty-three", and thus it is an iban number.

Divisors: 1 3 41341 124023