1103403443423 has 8 divisors (see below), whose sum is σ = 1127250820800. Its totient is φ = 1079571512320.

The previous prime is 1103403443393. The next prime is 1103403443431. The reversal of 1103403443423 is 3243443043011.

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

It is a cyclic number.

It is not a de Polignac number, because 1103403443423 - 2¹⁶ = 1103403377887 is a prime.

It is a super-4 number, since 4×1103403443423⁴ (a number of 49 digits) contains 4444 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 1103403443423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103403445423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3717098 + ... + 4002951.

It is an arithmetic number, because the mean of its divisors is an integer number (140906352600).

Almost surely, 2^{1103403443423} is an apocalyptic number.

1103403443423 is a deficient number, since it is larger than the sum of its proper divisors (23847377377).

1103403443423 is an equidigital number, since it uses as much as digits as its factorization.

1103403443423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723137.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1103403443423 its reverse (3243443043011), we get a palindrome (4346846486434).

The spelling of 1103403443423 in words is "one trillion, one hundred three billion, four hundred three million, four hundred forty-three thousand, four hundred twenty-three".