23506655 has 16 divisors (see below), whose sum is σ = 29459424. Its totient is φ = 17988480.

The previous prime is 23506607. The next prime is 23506661. The reversal of 23506655 is 55660532.

It is a de Polignac number, because none of the positive numbers 2^k-23506655 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10244 + ... + 12326.

It is an arithmetic number, because the mean of its divisors is an integer number (1841214).

Almost surely, 2^23506655 is an apocalyptic number.

23506655 is a deficient number, since it is larger than the sum of its proper divisors (5952769).

23506655 is a wasteful number, since it uses less digits than its factorization.

23506655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 23506655 is about 4848.3662196662. The cubic root of 23506655 is about 286.4597516830.

The spelling of 23506655 in words is "twenty-three million, five hundred six thousand, six hundred fifty-five".