230705277 has 48 divisors (see below), whose sum is σ = 363456000. Its totient is φ = 128731680.

The previous prime is 230705261. The next prime is 230705287. The reversal of 230705277 is 772507032.

It is not a de Polignac number, because 230705277 - 2⁴ = 230705261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230705227) 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 47 ways as a sum of consecutive naturals, for example, 1159224 + ... + 1159422.

It is an arithmetic number, because the mean of its divisors is an integer number (7572000).

Almost surely, 2^230705277 is an apocalyptic number.

It is an amenable number.

230705277 is a deficient number, since it is larger than the sum of its proper divisors (132750723).

230705277 is a wasteful number, since it uses less digits than its factorization.

230705277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 230705277 is about 15188.9853841526. The cubic root of 230705277 is about 613.3181864236.

It can be divided in two parts, 230 and 705277, that added together give a palindrome (705507).

The spelling of 230705277 in words is "two hundred thirty million, seven hundred five thousand, two hundred seventy-seven".