23287055 has 24 divisors (see below), whose sum is σ = 31268832. Its totient is φ = 16632000.

The previous prime is 23287051. The next prime is 23287079. The reversal of 23287055 is 55078232.

It is not a de Polignac number, because 23287055 - 2² = 23287051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23287051) 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 23 ways as a sum of consecutive naturals, for example, 36590 + ... + 37220.

It is an arithmetic number, because the mean of its divisors is an integer number (1302868).

Almost surely, 2^23287055 is an apocalyptic number.

23287055 is a deficient number, since it is larger than the sum of its proper divisors (7981777).

23287055 is a wasteful number, since it uses less digits than its factorization.

23287055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 23287055 is about 4825.6662752412. Note that the first 3 decimals coincide. The cubic root of 23287055 is about 285.5649203214.

The spelling of 23287055 in words is "twenty-three million, two hundred eighty-seven thousand, fifty-five".