123441503 has 4 divisors (see below), whose sum is σ = 123467400. Its totient is φ = 123415608.

The previous prime is 123441497. The next prime is 123441553. The reversal of 123441503 is 305144321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123441503 - 2¹⁴ = 123425119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123441553) 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 3 ways as a sum of consecutive naturals, for example, 3500 + ... + 16097.

It is an arithmetic number, because the mean of its divisors is an integer number (30866850).

Almost surely, 2^123441503 is an apocalyptic number.

123441503 is a deficient number, since it is larger than the sum of its proper divisors (25897).

123441503 is an equidigital number, since it uses as much as digits as its factorization.

123441503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25896.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 123441503 is about 11110.4231692587. The cubic root of 123441503 is about 497.9133075439.

Adding to 123441503 its reverse (305144321), we get a palindrome (428585824).

The spelling of 123441503 in words is "one hundred twenty-three million, four hundred forty-one thousand, five hundred three".