11312101223 has 8 divisors (see below), whose sum is σ = 11997525600. Its totient is φ = 10628899840.

The previous prime is 11312101219. The next prime is 11312101237. The reversal of 11312101223 is 32210121311.

11312101223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11312101223 - 2² = 11312101219 is a prime.

It is a super-3 number, since 3×11312101223³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312401223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545258 + ... + 565623.

It is an arithmetic number, because the mean of its divisors is an integer number (1499690700).

Almost surely, 2^11312101223 is an apocalyptic number.

11312101223 is a deficient number, since it is larger than the sum of its proper divisors (685424377).

11312101223 is a wasteful number, since it uses less digits than its factorization.

11312101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111497.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11312101223 its reverse (32210121311), we get a palindrome (43522222534).

The spelling of 11312101223 in words is "eleven billion, three hundred twelve million, one hundred one thousand, two hundred twenty-three".