23656673 has 12 divisors (see below), whose sum is σ = 26230080. Its totient is φ = 21291072.

The previous prime is 23656669. The next prime is 23656753. The reversal of 23656673 is 37665632.

It is not a de Polignac number, because 23656673 - 2² = 23656669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23656573) 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, 4868 + ... + 8426.

It is an arithmetic number, because the mean of its divisors is an integer number (2185840).

Almost surely, 2^23656673 is an apocalyptic number.

23656673 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23656673 is a deficient number, since it is larger than the sum of its proper divisors (2573407).

23656673 is a wasteful number, since it uses less digits than its factorization.

23656673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616 (or 3599 counting only the distinct ones).

The product of its digits is 136080, while the sum is 38.

The square root of 23656673 is about 4863.8125991860. The cubic root of 23656673 is about 287.0678492963.

The spelling of 23656673 in words is "twenty-three million, six hundred fifty-six thousand, six hundred seventy-three".