23009841 has 12 divisors (see below), whose sum is σ = 33637968. Its totient is φ = 15154584.

The previous prime is 23009839. The next prime is 23009873. The reversal of 23009841 is 14890032.

It is not a de Polignac number, because 23009841 - 2¹ = 23009839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23009801) 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 in 11 ways as a sum of consecutive naturals, for example, 14655 + ... + 16148.

It is an arithmetic number, because the mean of its divisors is an integer number (2803164).

Almost surely, 2^23009841 is an apocalyptic number.

It is an amenable number.

23009841 is a deficient number, since it is larger than the sum of its proper divisors (10628127).

23009841 is a wasteful number, since it uses less digits than its factorization.

23009841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30892 (or 30889 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 23009841 is about 4796.8574087625. The cubic root of 23009841 is about 284.4272523393.

Adding to 23009841 its reverse (14890032), we get a palindrome (37899873).

The spelling of 23009841 in words is "twenty-three million, nine thousand, eight hundred forty-one".