11423334140 has 24 divisors (see below), whose sum is σ = 24161590320. Its totient is φ = 4536459648.

The previous prime is 11423334079. The next prime is 11423334227. The reversal of 11423334140 is 4143332411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2051777 + ... + 2057336.

It is an arithmetic number, because the mean of its divisors is an integer number (1006732930).

Almost surely, 2^11423334140 is an apocalyptic number.

11423334140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11423334140 is an abundant number, since it is smaller than the sum of its proper divisors (12738256180).

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

11423334140 is a wasteful number, since it uses less digits than its factorization.

11423334140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109261 (or 4109259 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11423334140 its reverse (4143332411), we get a palindrome (15566666551).

The spelling of 11423334140 in words is "eleven billion, four hundred twenty-three million, three hundred thirty-four thousand, one hundred forty".