11323120312 has 24 divisors (see below), whose sum is σ = 24697112760. Its totient is φ = 4852765680.

The previous prime is 11323120307. The next prime is 11323120331. The reversal of 11323120312 is 21302132311.

It is a self number, because there is not a number n which added to its sum of digits gives 11323120312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14442364 + ... + 14443147.

It is an arithmetic number, because the mean of its divisors is an integer number (1029046365).

Almost surely, 2^11323120312 is an apocalyptic number.

It is an amenable number.

11323120312 is an abundant number, since it is smaller than the sum of its proper divisors (13373992448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11323120312 is a wasteful number, since it uses less digits than its factorization.

11323120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28885531 (or 28885520 counting only the distinct ones).

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

Adding to 11323120312 its reverse (21302132311), we get a palindrome (32625252623).

The spelling of 11323120312 in words is "eleven billion, three hundred twenty-three million, one hundred twenty thousand, three hundred twelve".