23064656809 has 4 divisors (see below), whose sum is σ = 23098726404. Its totient is φ = 23030587216.

The previous prime is 23064656801. The next prime is 23064656861. The reversal of 23064656809 is 90865646032.

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 22554032400 + 510624409 = 150180^2 + 22597^2 .

It is a cyclic number.

It is not a de Polignac number, because 23064656809 - 2³ = 23064656801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23064656801) 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, 17033782 + ... + 17035135.

It is an arithmetic number, because the mean of its divisors is an integer number (5774681601).

Almost surely, 2^23064656809 is an apocalyptic number.

It is an amenable number.

23064656809 is a deficient number, since it is larger than the sum of its proper divisors (34069595).

23064656809 is an equidigital number, since it uses as much as digits as its factorization.

23064656809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34069594.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 23064656809 in words is "twenty-three billion, sixty-four million, six hundred fifty-six thousand, eight hundred nine".