11423411444 has 12 divisors (see below), whose sum is σ = 19999986468. Its totient is φ = 5709129600.

The previous prime is 11423411399. The next prime is 11423411473. The reversal of 11423411444 is 44411432411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3742992400 + 7680419044 = 61180^2 + 87638^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634037 + ... + 651804.

It is an arithmetic number, because the mean of its divisors is an integer number (1666665539).

Almost surely, 2^11423411444 is an apocalyptic number.

It is an amenable number.

11423411444 is a deficient number, since it is larger than the sum of its proper divisors (8576575024).

11423411444 is a wasteful number, since it uses less digits than its factorization.

11423411444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288066 (or 1288064 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

Adding to 11423411444 its reverse (44411432411), we get a palindrome (55834843855).

The spelling of 11423411444 in words is "eleven billion, four hundred twenty-three million, four hundred eleven thousand, four hundred forty-four".