1103403423 has 4 divisors (see below), whose sum is σ = 1471204568. Its totient is φ = 735602280.

The previous prime is 1103403419. The next prime is 1103403451. The reversal of 1103403423 is 3243043011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1103403423 - 2² = 1103403419 is a prime.

It is a super-2 number, since 2×1103403423² = 2434998227776233858, which contains 22 as substring.

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 1103403423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103403023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183900568 + ... + 183900573.

It is an arithmetic number, because the mean of its divisors is an integer number (367801142).

Almost surely, 2^1103403423 is an apocalyptic number.

1103403423 is a deficient number, since it is larger than the sum of its proper divisors (367801145).

1103403423 is an equidigital number, since it uses as much as digits as its factorization.

1103403423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367801144.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1103403423 is about 33217.5168096593. The cubic root of 1103403423 is about 1033.3436514289.

Adding to 1103403423 its reverse (3243043011), we get a palindrome (4346446434).

The spelling of 1103403423 in words is "one billion, one hundred three million, four hundred three thousand, four hundred twenty-three".