11304220403 has 8 divisors (see below), whose sum is σ = 12920550240. Its totient is φ = 9688250880.

The previous prime is 11304220391. The next prime is 11304220451. The reversal of 11304220403 is 30402240311.

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

It is a de Polignac number, because none of the positive numbers 2^k-11304220403 is a prime.

It is a super-3 number, since 3×11304220403³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11304720403) 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, 19118 + ... + 151571.

It is an arithmetic number, because the mean of its divisors is an integer number (1615068780).

Almost surely, 2^11304220403 is an apocalyptic number.

11304220403 is a deficient number, since it is larger than the sum of its proper divisors (1616329837).

11304220403 is an equidigital number, since it uses as much as digits as its factorization.

11304220403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180157.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 11304220403 its reverse (30402240311), we get a palindrome (41706460714).

The spelling of 11304220403 in words is "eleven billion, three hundred four million, two hundred twenty thousand, four hundred three".