1103133423 has 12 divisors (see below), whose sum is σ = 1710982680. Its totient is φ = 630361872.

The previous prime is 1103133403. The next prime is 1103133439. The reversal of 1103133423 is 3243313011.

It is not a de Polignac number, because 1103133423 - 2⁵ = 1103133391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1103133423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103133403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3752008 + ... + 3752301.

It is an arithmetic number, because the mean of its divisors is an integer number (142581890).

Almost surely, 2^1103133423 is an apocalyptic number.

1103133423 is a deficient number, since it is larger than the sum of its proper divisors (607849257).

1103133423 is an equidigital number, since it uses as much as digits as its factorization.

1103133423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7504326 (or 7504319 counting only the distinct ones).

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

The square root of 1103133423 is about 33213.4524402387. The cubic root of 1103133423 is about 1033.2593590356.

Adding to 1103133423 its reverse (3243313011), we get a palindrome (4346446434).

The spelling of 1103133423 in words is "one billion, one hundred three million, one hundred thirty-three thousand, four hundred twenty-three".