1103513423 has 16 divisors (see below), whose sum is σ = 1173242880. Its totient is φ = 1036185696.

The previous prime is 1103513399. The next prime is 1103513441. The reversal of 1103513423 is 3243153011.

It is a cyclic number.

It is not a de Polignac number, because 1103513423 - 2¹⁴ = 1103497039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103513473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219686 + ... + 224652.

It is an arithmetic number, because the mean of its divisors is an integer number (73327680).

Almost surely, 2^1103513423 is an apocalyptic number.

1103513423 is a deficient number, since it is larger than the sum of its proper divisors (69729457).

1103513423 is a wasteful number, since it uses less digits than its factorization.

1103513423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1103513423 is about 33219.1725213016. The cubic root of 1103513423 is about 1033.3779888321.

Adding to 1103513423 its reverse (3243153011), we get a palindrome (4346666434).

The spelling of 1103513423 in words is "one billion, one hundred three million, five hundred thirteen thousand, four hundred twenty-three".