123730603 has 4 divisors (see below), whose sum is σ = 130242760. Its totient is φ = 117218448.

The previous prime is 123730597. The next prime is 123730619. The reversal of 123730603 is 306037321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306037321 = 43 ⋅7117147.

It is not a de Polignac number, because 123730603 - 2⁵ = 123730571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123730003) 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, 3256050 + ... + 3256087.

It is an arithmetic number, because the mean of its divisors is an integer number (32560690).

Almost surely, 2^123730603 is an apocalyptic number.

123730603 is a deficient number, since it is larger than the sum of its proper divisors (6512157).

123730603 is an equidigital number, since it uses as much as digits as its factorization.

123730603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512156.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 123730603 is about 11123.4258661619. The cubic root of 123730603 is about 498.3017088117.

Adding to 123730603 its reverse (306037321), we get a palindrome (429767924).

The spelling of 123730603 in words is "one hundred twenty-three million, seven hundred thirty thousand, six hundred three".