123141603 has 16 divisors (see below), whose sum is σ = 186126080. Its totient is φ = 71790624.

The previous prime is 123141589. The next prime is 123141607. The reversal of 123141603 is 306141321.

It is not a de Polignac number, because 123141603 - 2¹² = 123137507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123141603.

It is not an unprimeable number, because it can be changed into a prime (123141607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82351 + ... + 83832.

It is an arithmetic number, because the mean of its divisors is an integer number (11632880).

Almost surely, 2^123141603 is an apocalyptic number.

123141603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123141603 is a deficient number, since it is larger than the sum of its proper divisors (62984477).

123141603 is a wasteful number, since it uses less digits than its factorization.

123141603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166218.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 123141603 is about 11096.9186263575. The cubic root of 123141603 is about 497.5097552863.

Adding to 123141603 its reverse (306141321), we get a palindrome (429282924).

The spelling of 123141603 in words is "one hundred twenty-three million, one hundred forty-one thousand, six hundred three".