23285775 has 24 divisors (see below), whose sum is σ = 40176000. Its totient is φ = 11878240.

The previous prime is 23285771. The next prime is 23285789. The reversal of 23285775 is 57758232.

It is not a de Polignac number, because 23285775 - 2² = 23285771 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23285771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5025 + ... + 8474.

It is an arithmetic number, because the mean of its divisors is an integer number (1674000).

Almost surely, 2^23285775 is an apocalyptic number.

23285775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23285775 is a deficient number, since it is larger than the sum of its proper divisors (16890225).

23285775 is a wasteful number, since it uses less digits than its factorization.

23285775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535 (or 13530 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 23285775 is about 4825.5336492454. The cubic root of 23285775 is about 285.5596880898.

The spelling of 23285775 in words is "twenty-three million, two hundred eighty-five thousand, seven hundred seventy-five".