1223241503 has 4 divisors (see below), whose sum is σ = 1334445288. Its totient is φ = 1112037720.

The previous prime is 1223241473. The next prime is 1223241541. The reversal of 1223241503 is 3051423221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223241503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223241553) 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, 55601876 + ... + 55601897.

It is an arithmetic number, because the mean of its divisors is an integer number (333611322).

Almost surely, 2^1223241503 is an apocalyptic number.

1223241503 is a deficient number, since it is larger than the sum of its proper divisors (111203785).

1223241503 is a wasteful number, since it uses less digits than its factorization.

1223241503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111203784.

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

The square root of 1223241503 is about 34974.8695923230. The cubic root of 1223241503 is about 1069.4752436047.

Adding to 1223241503 its reverse (3051423221), we get a palindrome (4274664724).

It can be divided in two parts, 12232 and 41503, that added together give a palindrome (53735).

The spelling of 1223241503 in words is "one billion, two hundred twenty-three million, two hundred forty-one thousand, five hundred three".