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12434123 = 131756263
BaseRepresentation
bin101111011011…
…101011001011
3212101201102002
4233123223023
511140342443
61122301215
7210455042
oct57335313
925351362
1012434123
117022a39
1241b780b
132764790
141919559
1511592b8
hexbdbacb

12434123 has 8 divisors (see below), whose sum is σ = 14178528. Its totient is φ = 10802304.

The previous prime is 12434083. The next prime is 12434137. The reversal of 12434123 is 32143421.

12434123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12434123 - 28 = 12433867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12434095 and 12434104.

It is not an unprimeable number, because it can be changed into a prime (12434143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27911 + ... + 28352.

It is an arithmetic number, because the mean of its divisors is an integer number (1772316).

Almost surely, 212434123 is an apocalyptic number.

12434123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12434123 is a deficient number, since it is larger than the sum of its proper divisors (1744405).

12434123 is a wasteful number, since it uses less digits than its factorization.

12434123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56293.

The product of its digits is 576, while the sum is 20.

The square root of 12434123 is about 3526.2051840470. The cubic root of 12434123 is about 231.6710247672.

Adding to 12434123 its reverse (32143421), we get a palindrome (44577544).

The spelling of 12434123 in words is "twelve million, four hundred thirty-four thousand, one hundred twenty-three".

Divisors: 1 13 17 221 56263 731419 956471 12434123