1103443 has 4 divisors (see below), whose sum is σ = 1203768. Its totient is φ = 1003120.

The previous prime is 1103437. The next prime is 1103449. The reversal of 1103443 is 3443011.

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

It is an interprime number because it is at equal distance from previous prime (1103437) and next prime (1103449).

It is a cyclic number.

It is not a de Polignac number, because 1103443 - 2¹³ = 1095251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103449) 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, 50146 + ... + 50167.

It is an arithmetic number, because the mean of its divisors is an integer number (300942).

2^1103443 is an apocalyptic number.

1103443 is a deficient number, since it is larger than the sum of its proper divisors (100325).

1103443 is a wasteful number, since it uses less digits than its factorization.

1103443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100324.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1103443 is about 1050.4489516393. The cubic root of 1103443 is about 103.3356005977.

Adding to 1103443 its reverse (3443011), we get a palindrome (4546454).

It can be divided in two parts, 110 and 3443, that added together give a palindrome (3553).

The spelling of 1103443 in words is "one million, one hundred three thousand, four hundred forty-three".