11345403 has 4 divisors (see below), whose sum is σ = 15127208. Its totient is φ = 7563600.

The previous prime is 11345401. The next prime is 11345419. The reversal of 11345403 is 30454311.

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

It is not a de Polignac number, because 11345403 - 2¹ = 11345401 is a prime.

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 11345403.

It is not an unprimeable number, because it can be changed into a prime (11345401) 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, 1890898 + ... + 1890903.

It is an arithmetic number, because the mean of its divisors is an integer number (3781802).

Almost surely, 2^11345403 is an apocalyptic number.

11345403 is a deficient number, since it is larger than the sum of its proper divisors (3781805).

11345403 is an equidigital number, since it uses as much as digits as its factorization.

11345403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781804.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 11345403 is about 3368.2937817239. The cubic root of 11345403 is about 224.7018470602.

Adding to 11345403 its reverse (30454311), we get a palindrome (41799714).

The spelling of 11345403 in words is "eleven million, three hundred forty-five thousand, four hundred three".