11342320403 has 8 divisors (see below), whose sum is σ = 11468695440. Its totient is φ = 11216630880.

The previous prime is 11342320397. The next prime is 11342320411. The reversal of 11342320403 is 30402324311.

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 11342320403 - 2⁴ = 11342320387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11342320433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138068 + ... + 204321.

It is an arithmetic number, because the mean of its divisors is an integer number (1433586930).

Almost surely, 2^11342320403 is an apocalyptic number.

11342320403 is a deficient number, since it is larger than the sum of its proper divisors (126375037).

11342320403 is a wasteful number, since it uses less digits than its factorization.

11342320403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342757.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 11342320403 its reverse (30402324311), we get a palindrome (41744644714).

The spelling of 11342320403 in words is "eleven billion, three hundred forty-two million, three hundred twenty thousand, four hundred three".