23095561 has 2 divisors, whose sum is σ = 23095562. Its totient is φ = 23095560.

The previous prime is 23095559. The next prime is 23095573. The reversal of 23095561 is 16559032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12467961 + 10627600 = 3531^2 + 3260^2 .

It is a cyclic number.

It is not a de Polignac number, because 23095561 - 2¹ = 23095559 is a prime.

Together with 23095559, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1453873 and since 23095561 and 1453873 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23095531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11547780 + 11547781.

It is an arithmetic number, because the mean of its divisors is an integer number (11547781).

Almost surely, 2^23095561 is an apocalyptic number.

It is an amenable number.

23095561 is a deficient number, since it is larger than the sum of its proper divisors (1).

23095561 is an equidigital number, since it uses as much as digits as its factorization.

23095561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 23095561 is about 4805.7841191631. The cubic root of 23095561 is about 284.7800128593.

The spelling of 23095561 in words is "twenty-three million, ninety-five thousand, five hundred sixty-one".