11403223213 has 4 divisors (see below), whose sum is σ = 11413562688. Its totient is φ = 11392883740.

The previous prime is 11403223189. The next prime is 11403223219. The reversal of 11403223213 is 31232230411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11403223213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403223219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5168083 + ... + 5170288.

It is an arithmetic number, because the mean of its divisors is an integer number (2853390672).

Almost surely, 2^11403223213 is an apocalyptic number.

It is an amenable number.

11403223213 is a deficient number, since it is larger than the sum of its proper divisors (10339475).

11403223213 is a wasteful number, since it uses less digits than its factorization.

11403223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10339474.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11403223213 its reverse (31232230411), we get a palindrome (42635453624).

The spelling of 11403223213 in words is "eleven billion, four hundred three million, two hundred twenty-three thousand, two hundred thirteen".