23085529 has 2 divisors, whose sum is σ = 23085530. Its totient is φ = 23085528.

The previous prime is 23085523. The next prime is 23085599. The reversal of 23085529 is 92558032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18045504 + 5040025 = 4248^2 + 2245^2 .

It is a cyclic number.

It is not a de Polignac number, because 23085529 - 2¹⁵ = 23052761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23085494 and 23085503.

It is not a weakly prime, because it can be changed into another prime (23085523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11542764 + 11542765.

It is an arithmetic number, because the mean of its divisors is an integer number (11542765).

Almost surely, 2^23085529 is an apocalyptic number.

It is an amenable number.

23085529 is a deficient number, since it is larger than the sum of its proper divisors (1).

23085529 is an equidigital number, since it uses as much as digits as its factorization.

23085529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 23085529 is about 4804.7402635314. The cubic root of 23085529 is about 284.7387736670.

The spelling of 23085529 in words is "twenty-three million, eighty-five thousand, five hundred twenty-nine".