23949656 has 16 divisors (see below), whose sum is σ = 46119840. Its totient is φ = 11651040.

The previous prime is 23949643. The next prime is 23949661. The reversal of 23949656 is 65694932.

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, 40160 + ... + 40751.

It is an arithmetic number, because the mean of its divisors is an integer number (2882490).

Almost surely, 2^23949656 is an apocalyptic number.

It is an amenable number.

23949656 is a deficient number, since it is larger than the sum of its proper divisors (22170184).

23949656 is a wasteful number, since it uses less digits than its factorization.

23949656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80954 (or 80950 counting only the distinct ones).

The product of its digits is 349920, while the sum is 44.

The square root of 23949656 is about 4893.8385751882. The cubic root of 23949656 is about 288.2480822805.

The spelling of 23949656 in words is "twenty-three million, nine hundred forty-nine thousand, six hundred fifty-six".