11823442479 has 8 divisors (see below), whose sum is σ = 17516211120. Its totient is φ = 7882294968.

The previous prime is 11823442471. The next prime is 11823442511. The reversal of 11823442479 is 97424432811.

11823442479 is a `hidden beast` number, since 118 + 23 + 4 + 42 + 479 = 666.

It is not a de Polignac number, because 11823442479 - 2³ = 11823442471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11823442471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218952612 + ... + 218952665.

It is an arithmetic number, because the mean of its divisors is an integer number (2189526390).

Almost surely, 2^11823442479 is an apocalyptic number.

11823442479 is a deficient number, since it is larger than the sum of its proper divisors (5692768641).

11823442479 is an equidigital number, since it uses as much as digits as its factorization.

11823442479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437905286 (or 437905280 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 11823442479 in words is "eleven billion, eight hundred twenty-three million, four hundred forty-two thousand, four hundred seventy-nine".