23426128609 has 8 divisors (see below), whose sum is σ = 25321235072. Its totient is φ = 21544321680.

The previous prime is 23426128601. The next prime is 23426128651. The reversal of 23426128609 is 90682162432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23426128609 - 2³ = 23426128601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23426128601) 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, 3321219 + ... + 3328264.

It is an arithmetic number, because the mean of its divisors is an integer number (3165154384).

Almost surely, 2^23426128609 is an apocalyptic number.

It is an amenable number.

23426128609 is a deficient number, since it is larger than the sum of its proper divisors (1895106463).

23426128609 is a wasteful number, since it uses less digits than its factorization.

23426128609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649767.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 23426128609 in words is "twenty-three billion, four hundred twenty-six million, one hundred twenty-eight thousand, six hundred nine".