23068529 has 6 divisors (see below), whose sum is σ = 25356450. Its totient is φ = 20971280.

The previous prime is 23068499. The next prime is 23068537. The reversal of 23068529 is 92586032.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 6682225 = 4048^2 + 2585^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23068529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23068589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95204 + ... + 95445.

It is an arithmetic number, because the mean of its divisors is an integer number (4226075).

Almost surely, 2^23068529 is an apocalyptic number.

It is an amenable number.

23068529 is a deficient number, since it is larger than the sum of its proper divisors (2287921).

23068529 is a wasteful number, since it uses less digits than its factorization.

23068529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190671 (or 190660 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 23068529 is about 4802.9708514627. The cubic root of 23068529 is about 284.6688633808.

The spelling of 23068529 in words is "twenty-three million, sixty-eight thousand, five hundred twenty-nine".