11130303423 has 4 divisors (see below), whose sum is σ = 14840404568. Its totient is φ = 7420202280.

The previous prime is 11130303397. The next prime is 11130303439. The reversal of 11130303423 is 32430303111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32430303111 = 3 ⋅10810101037.

It is a de Polignac number, because none of the positive numbers 2^k-11130303423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11130303423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130303523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855050568 + ... + 1855050573.

It is an arithmetic number, because the mean of its divisors is an integer number (3710101142).

Almost surely, 2^11130303423 is an apocalyptic number.

11130303423 is a deficient number, since it is larger than the sum of its proper divisors (3710101145).

11130303423 is an equidigital number, since it uses as much as digits as its factorization.

11130303423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710101144.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11130303423 its reverse (32430303111), we get a palindrome (43560606534).

The spelling of 11130303423 in words is "eleven billion, one hundred thirty million, three hundred three thousand, four hundred twenty-three".