11415223443 has 8 divisors (see below), whose sum is σ = 16391090128. Its totient is φ = 7024752864.

The previous prime is 11415223429. The next prime is 11415223481. The reversal of 11415223443 is 34432251411.

11415223443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11415223443 - 2¹⁶ = 11415157907 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 11415223443.

It is not an unprimeable number, because it can be changed into a prime (11415223483) 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, 146348980 + ... + 146349057.

It is an arithmetic number, because the mean of its divisors is an integer number (2048886266).

Almost surely, 2^11415223443 is an apocalyptic number.

11415223443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11415223443 is a deficient number, since it is larger than the sum of its proper divisors (4975866685).

11415223443 is a wasteful number, since it uses less digits than its factorization.

11415223443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292698053.

The product of its digits is 11520, while the sum is 30.

Adding to 11415223443 its reverse (34432251411), we get a palindrome (45847474854).

The spelling of 11415223443 in words is "eleven billion, four hundred fifteen million, two hundred twenty-three thousand, four hundred forty-three".