230505775 has 24 divisors (see below), whose sum is σ = 296856000. Its totient is φ = 177340800.

The previous prime is 230505767. The next prime is 230505791. The reversal of 230505775 is 577505032.

It is not a de Polignac number, because 230505775 - 2³ = 230505767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230505775.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252570 + ... + 253480.

It is an arithmetic number, because the mean of its divisors is an integer number (12369000).

Almost surely, 2^230505775 is an apocalyptic number.

230505775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

230505775 is a deficient number, since it is larger than the sum of its proper divisors (66350225).

230505775 is a wasteful number, since it uses less digits than its factorization.

230505775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 230505775 is about 15182.4166389939. The cubic root of 230505775 is about 613.1413468167.

The spelling of 230505775 in words is "two hundred thirty million, five hundred five thousand, seven hundred seventy-five".