11312213223 has 8 divisors (see below), whose sum is σ = 15090985600. Its totient is φ = 7537458168.

The previous prime is 11312213197. The next prime is 11312213243. The reversal of 11312213223 is 32231221311.

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

It is not a de Polignac number, because 11312213223 - 2⁹ = 11312212711 is a prime.

It is a super-3 number, since 3×11312213223³ (a number of 31 digits) contains 333 as substring.

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 11312213223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312213243) 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, 997753 + ... + 1009026.

It is an arithmetic number, because the mean of its divisors is an integer number (1886373200).

Almost surely, 2^11312213223 is an apocalyptic number.

11312213223 is a deficient number, since it is larger than the sum of its proper divisors (3778772377).

11312213223 is a wasteful number, since it uses less digits than its factorization.

11312213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008661.

The product of its digits is 432, while the sum is 21.

Adding to 11312213223 its reverse (32231221311), we get a palindrome (43543434534).

The spelling of 11312213223 in words is "eleven billion, three hundred twelve million, two hundred thirteen thousand, two hundred twenty-three".