11423751906 has 96 divisors (see below), whose sum is σ = 27486425088. Its totient is φ = 3152731680.

The previous prime is 11423751893. The next prime is 11423751931. The reversal of 11423751906 is 60915732411.

11423751906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 7500061 + ... + 7501583.

It is an arithmetic number, because the mean of its divisors is an integer number (286316928).

Almost surely, 2^11423751906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11423751906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13743212544).

11423751906 is an abundant number, since it is smaller than the sum of its proper divisors (16062673182).

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

11423751906 is a wasteful number, since it uses less digits than its factorization.

11423751906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 11423751906 in words is "eleven billion, four hundred twenty-three million, seven hundred fifty-one thousand, nine hundred six".