11423744405 has 16 divisors (see below), whose sum is σ = 14521886064. Its totient is φ = 8597253120.

The previous prime is 11423744393. The next prime is 11423744411. The reversal of 11423744405 is 50444732411.

It can be written as a sum of positive squares in 8 ways, for example, as 3488319844 + 7935424561 = 59062^2 + 89081^2 .

It is not a de Polignac number, because 11423744405 - 2⁸ = 11423744149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150599 + ... + 213371.

It is an arithmetic number, because the mean of its divisors is an integer number (907617879).

Almost surely, 2^11423744405 is an apocalyptic number.

It is an amenable number.

11423744405 is a deficient number, since it is larger than the sum of its proper divisors (3098141659).

11423744405 is a wasteful number, since it uses less digits than its factorization.

11423744405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64936.

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 11423744405 in words is "eleven billion, four hundred twenty-three million, seven hundred forty-four thousand, four hundred five".