23279304677 has 4 divisors (see below), whose sum is σ = 23279848620. Its totient is φ = 23278760736.

The previous prime is 23279304673. The next prime is 23279304691. The reversal of 23279304677 is 77640397232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3454383076 + 19824921601 = 58774^2 + 140801^2 .

It is a cyclic number.

It is not a de Polignac number, because 23279304677 - 2² = 23279304673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23279304673) 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, 201728 + ... + 295385.

It is an arithmetic number, because the mean of its divisors is an integer number (5819962155).

Almost surely, 2^23279304677 is an apocalyptic number.

It is an amenable number.

23279304677 is a deficient number, since it is larger than the sum of its proper divisors (543943).

23279304677 is an equidigital number, since it uses as much as digits as its factorization.

23279304677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543942.

The product of its (nonzero) digits is 2667168, while the sum is 50.

The spelling of 23279304677 in words is "twenty-three billion, two hundred seventy-nine million, three hundred four thousand, six hundred seventy-seven".