11123240003 has 2 divisors, whose sum is σ = 11123240004. Its totient is φ = 11123240002.

The previous prime is 11123239979. The next prime is 11123240041. The reversal of 11123240003 is 30004232111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11123240003 - 2¹⁶ = 11123174467 is a prime.

It is not a weakly prime, because it can be changed into another prime (11123242003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561620001 + 5561620002.

It is an arithmetic number, because the mean of its divisors is an integer number (5561620002).

Almost surely, 2^11123240003 is an apocalyptic number.

11123240003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123240003 is an equidigital number, since it uses as much as digits as its factorization.

11123240003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11123240003 its reverse (30004232111), we get a palindrome (41127472114).

The spelling of 11123240003 in words is "eleven billion, one hundred twenty-three million, two hundred forty thousand, three".