23043510505 has 8 divisors (see below), whose sum is σ = 27759810312. Its totient is φ = 18363076608.

The previous prime is 23043510473. The next prime is 23043510521. The reversal of 23043510505 is 50501534032.

It can be written as a sum of positive squares in 4 ways, for example, as 2148229801 + 20895280704 = 46349^2 + 144552^2 .

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 23043510505 - 2⁵ = 23043510473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8965062 + ... + 8967631.

It is an arithmetic number, because the mean of its divisors is an integer number (3469976289).

Almost surely, 2^23043510505 is an apocalyptic number.

It is an amenable number.

23043510505 is a deficient number, since it is larger than the sum of its proper divisors (4716299807).

23043510505 is a wasteful number, since it uses less digits than its factorization.

23043510505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17932955.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 23043510505 in words is "twenty-three billion, forty-three million, five hundred ten thousand, five hundred five".