23094581 has 2 divisors, whose sum is σ = 23094582. Its totient is φ = 23094580.

The previous prime is 23094571. The next prime is 23094613. The reversal of 23094581 is 18549032.

It is an a-pointer prime, because the next prime (23094613) can be obtained adding 23094581 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16072081 + 7022500 = 4009^2 + 2650^2 .

It is a cyclic number.

It is not a de Polignac number, because 23094581 - 2¹⁰ = 23093557 is a prime.

It is a super-2 number, since 2×23094581² = 1066719343131122, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23094571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11547290 + 11547291.

It is an arithmetic number, because the mean of its divisors is an integer number (11547291).

Almost surely, 2^23094581 is an apocalyptic number.

It is an amenable number.

23094581 is a deficient number, since it is larger than the sum of its proper divisors (1).

23094581 is an equidigital number, since it uses as much as digits as its factorization.

23094581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 23094581 is about 4805.6821576130. The cubic root of 23094581 is about 284.7759848362.

The spelling of 23094581 in words is "twenty-three million, ninety-four thousand, five hundred eighty-one".