23459809747 has 4 divisors (see below), whose sum is σ = 25592519736. Its totient is φ = 21327099760.

The previous prime is 23459809733. The next prime is 23459809771. The reversal of 23459809747 is 74790895432.

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 23459809747 - 2⁷ = 23459809619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23459809691 and 23459809700.

It is not an unprimeable number, because it can be changed into a prime (23459809717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066354978 + ... + 1066354999.

It is an arithmetic number, because the mean of its divisors is an integer number (6398129934).

Almost surely, 2^23459809747 is an apocalyptic number.

23459809747 is a deficient number, since it is larger than the sum of its proper divisors (2132709989).

23459809747 is a wasteful number, since it uses less digits than its factorization.

23459809747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132709988.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 23459809747 in words is "twenty-three billion, four hundred fifty-nine million, eight hundred nine thousand, seven hundred forty-seven".