120603423 has 16 divisors (see below), whose sum is σ = 175758336. Its totient is φ = 73230720.

The previous prime is 120603419. The next prime is 120603437. The reversal of 120603423 is 324306021.

It is a happy number.

It is not a de Polignac number, because 120603423 - 2² = 120603419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120603423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120603403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36561 + ... + 39722.

It is an arithmetic number, because the mean of its divisors is an integer number (10984896).

Almost surely, 2^120603423 is an apocalyptic number.

120603423 is a deficient number, since it is larger than the sum of its proper divisors (55154913).

120603423 is a wasteful number, since it uses less digits than its factorization.

120603423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76334.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 120603423 is about 10981.9589782516. The cubic root of 120603423 is about 494.0677935338.

Adding to 120603423 its reverse (324306021), we get a palindrome (444909444).

The spelling of 120603423 in words is "one hundred twenty million, six hundred three thousand, four hundred twenty-three".