23231065109 has 16 divisors (see below), whose sum is σ = 26703463680. Its totient is φ = 19797212160.

The previous prime is 23231065087. The next prime is 23231065159. The reversal of 23231065109 is 90156013232.

It is a cyclic number.

It is not a de Polignac number, because 23231065109 - 2²⁰ = 23230016533 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 (23231065159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2791064 + ... + 2799374.

It is an arithmetic number, because the mean of its divisors is an integer number (1668966480).

Almost surely, 2^23231065109 is an apocalyptic number.

It is an amenable number.

23231065109 is a deficient number, since it is larger than the sum of its proper divisors (3472398571).

23231065109 is a wasteful number, since it uses less digits than its factorization.

23231065109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 23231065109 in words is "twenty-three billion, two hundred thirty-one million, sixty-five thousand, one hundred nine".