23009814 has 12 divisors (see below), whose sum is σ = 49854636. Its totient is φ = 7669932.

The previous prime is 23009807. The next prime is 23009839. The reversal of 23009814 is 41890032.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 639144 + ... + 639179.

It is an arithmetic number, because the mean of its divisors is an integer number (4154553).

Almost surely, 2^23009814 is an apocalyptic number.

23009814 is an abundant number, since it is smaller than the sum of its proper divisors (26844822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23009814 is a wasteful number, since it uses less digits than its factorization.

23009814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278331 (or 1278328 counting only the distinct ones).

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

The square root of 23009814 is about 4796.8545944191. The cubic root of 23009814 is about 284.4271410893.

Adding to 23009814 its reverse (41890032), we get a palindrome (64899846).

The spelling of 23009814 in words is "twenty-three million, nine thousand, eight hundred fourteen".