23005529 has 2 divisors, whose sum is σ = 23005530. Its totient is φ = 23005528.

The previous prime is 23005519. The next prime is 23005531. The reversal of 23005529 is 92550032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22705225 + 300304 = 4765^2 + 548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23005529 is a prime.

Together with 23005531, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23005498 and 23005507.

It is not a weakly prime, because it can be changed into another prime (23005519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11502764 + 11502765.

It is an arithmetic number, because the mean of its divisors is an integer number (11502765).

Almost surely, 2^23005529 is an apocalyptic number.

It is an amenable number.

23005529 is a deficient number, since it is larger than the sum of its proper divisors (1).

23005529 is an equidigital number, since it uses as much as digits as its factorization.

23005529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 23005529 is about 4796.4079267719. The cubic root of 23005529 is about 284.4094841891.

The spelling of 23005529 in words is "twenty-three million, five thousand, five hundred twenty-nine".