120523503 has 8 divisors (see below), whose sum is σ = 160748928. Its totient is φ = 80323544.

The previous prime is 120523471. The next prime is 120523549. The reversal of 120523503 is 305325021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120523503 - 2⁵ = 120523471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120523503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120523573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13876 + ... + 20822.

It is an arithmetic number, because the mean of its divisors is an integer number (20093616).

Almost surely, 2^120523503 is an apocalyptic number.

120523503 is a deficient number, since it is larger than the sum of its proper divisors (40225425).

120523503 is an equidigital number, since it uses as much as digits as its factorization.

120523503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12733.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 120523503 is about 10978.3196801696. The cubic root of 120523503 is about 493.9586351526.

Adding to 120523503 its reverse (305325021), we get a palindrome (425848524).

The spelling of 120523503 in words is "one hundred twenty million, five hundred twenty-three thousand, five hundred three".