11423111659 has 4 divisors (see below), whose sum is σ = 11423404080. Its totient is φ = 11422819240.

The previous prime is 11423111653. The next prime is 11423111719. The reversal of 11423111659 is 95611132411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11423111659 - 2⁵ = 11423111627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11423111653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76552 + ... + 169429.

It is an arithmetic number, because the mean of its divisors is an integer number (2855851020).

Almost surely, 2^11423111659 is an apocalyptic number.

11423111659 is a deficient number, since it is larger than the sum of its proper divisors (292421).

11423111659 is an equidigital number, since it uses as much as digits as its factorization.

11423111659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292420.

The product of its digits is 6480, while the sum is 34.

The spelling of 11423111659 in words is "eleven billion, four hundred twenty-three million, one hundred eleven thousand, six hundred fifty-nine".