23679134447 has 4 divisors (see below), whose sum is σ = 23687776056. Its totient is φ = 23670492840.

The previous prime is 23679134443. The next prime is 23679134449. The reversal of 23679134447 is 74443197632.

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 23679134447 - 2² = 23679134443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23679134395 and 23679134404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23679134443) 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, 4316693 + ... + 4322174.

It is an arithmetic number, because the mean of its divisors is an integer number (5921944014).

Almost surely, 2^23679134447 is an apocalyptic number.

23679134447 is a deficient number, since it is larger than the sum of its proper divisors (8641609).

23679134447 is an equidigital number, since it uses as much as digits as its factorization.

23679134447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641608.

The product of its digits is 3048192, while the sum is 50.

The spelling of 23679134447 in words is "twenty-three billion, six hundred seventy-nine million, one hundred thirty-four thousand, four hundred forty-seven".