23309894 has 8 divisors (see below), whose sum is σ = 35817768. Its totient is φ = 11370640.

The previous prime is 23309863. The next prime is 23309911. The reversal of 23309894 is 49890332.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 142052 + ... + 142215.

It is an arithmetic number, because the mean of its divisors is an integer number (4477221).

Almost surely, 2^23309894 is an apocalyptic number.

23309894 is a deficient number, since it is larger than the sum of its proper divisors (12507874).

23309894 is a wasteful number, since it uses less digits than its factorization.

23309894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284310.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 23309894 is about 4828.0321042843. The cubic root of 23309894 is about 285.6582466523.

The spelling of 23309894 in words is "twenty-three million, three hundred nine thousand, eight hundred ninety-four".