11213301223 has 4 divisors (see below), whose sum is σ = 11287561648. Its totient is φ = 11139040800.

The previous prime is 11213301179. The next prime is 11213301283. The reversal of 11213301223 is 32210331211.

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

It is a cyclic number.

It is not a de Polignac number, because 11213301223 - 2¹³ = 11213293031 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 11213301223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213301283) 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, 37129986 + ... + 37130287.

It is an arithmetic number, because the mean of its divisors is an integer number (2821890412).

Almost surely, 2^11213301223 is an apocalyptic number.

11213301223 is a deficient number, since it is larger than the sum of its proper divisors (74260425).

11213301223 is an equidigital number, since it uses as much as digits as its factorization.

11213301223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74260424.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11213301223 its reverse (32210331211), we get a palindrome (43423632434).

The spelling of 11213301223 in words is "eleven billion, two hundred thirteen million, three hundred one thousand, two hundred twenty-three".