123424105 has 16 divisors (see below), whose sum is σ = 169453440. Its totient is φ = 84540672.

The previous prime is 123424099. The next prime is 123424109. The reversal of 123424105 is 501424321.

It is a cyclic number.

It is not a de Polignac number, because 123424105 - 2⁹ = 123423593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123424109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49857 + ... + 52273.

It is an arithmetic number, because the mean of its divisors is an integer number (10590840).

Almost surely, 2^123424105 is an apocalyptic number.

It is an amenable number.

123424105 is a deficient number, since it is larger than the sum of its proper divisors (46029335).

123424105 is a wasteful number, since it uses less digits than its factorization.

123424105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 123424105 is about 11109.6401831923. The cubic root of 123424105 is about 497.8899142699.

Adding to 123424105 its reverse (501424321), we get a palindrome (624848426).

The spelling of 123424105 in words is "one hundred twenty-three million, four hundred twenty-four thousand, one hundred five".