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123424017 = 341141339
BaseRepresentation
bin1110101101101…
…00110100010001
322121020120220220
413112310310101
5223044032032
620125223253
73026041533
oct726646421
9277216826
10123424017
1163740322
1235401b29
131c755582
141256b853
15ac8012c
hex75b4d11

123424017 has 4 divisors (see below), whose sum is σ = 164565360. Its totient is φ = 82282676.

The previous prime is 123424013. The next prime is 123424027. The reversal of 123424017 is 710424321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123424017 - 22 = 123424013 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123424013) 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, 20570667 + ... + 20570672.

It is an arithmetic number, because the mean of its divisors is an integer number (41141340).

Almost surely, 2123424017 is an apocalyptic number.

It is an amenable number.

123424017 is a deficient number, since it is larger than the sum of its proper divisors (41141343).

123424017 is an equidigital number, since it uses as much as digits as its factorization.

123424017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41141342.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 123424017 is about 11109.6362226672. The cubic root of 123424017 is about 497.8897959399.

Adding to 123424017 its reverse (710424321), we get a palindrome (833848338).

The spelling of 123424017 in words is "one hundred twenty-three million, four hundred twenty-four thousand, seventeen".

Divisors: 1 3 41141339 123424017