11323420012 has 6 divisors (see below), whose sum is σ = 19815985028. Its totient is φ = 5661710004.

The previous prime is 11323419997. The next prime is 11323420013. The reversal of 11323420012 is 21002432311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11323420013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415427498 + ... + 1415427505.

Almost surely, 2^11323420012 is an apocalyptic number.

It is an amenable number.

11323420012 is a deficient number, since it is larger than the sum of its proper divisors (8492565016).

11323420012 is a wasteful number, since it uses less digits than its factorization.

11323420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830855007 (or 2830855005 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11323420012 its reverse (21002432311), we get a palindrome (32325852323).

The spelling of 11323420012 in words is "eleven billion, three hundred twenty-three million, four hundred twenty thousand, twelve".