11303223311312 has 20 divisors (see below), whose sum is σ = 21902211397920. Its totient is φ = 5651039724768.

The previous prime is 11303223311309. The next prime is 11303223311323. The reversal of 11303223311312 is 21311332230311.

It is a super-2 number, since 2×11303223311312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35582612 + ... + 35898867.

It is an arithmetic number, because the mean of its divisors is an integer number (1095110569896).

Almost surely, 2^{11303223311312} is an apocalyptic number.

It is an amenable number.

11303223311312 is a deficient number, since it is larger than the sum of its proper divisors (10598988086608).

11303223311312 is an equidigital number, since it uses as much as digits as its factorization.

11303223311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71491370 (or 71491364 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11303223311312 its reverse (21311332230311), we get a palindrome (32614555541623).

The spelling of 11303223311312 in words is "eleven trillion, three hundred three billion, two hundred twenty-three million, three hundred eleven thousand, three hundred twelve".