230761305 has 64 divisors (see below), whose sum is σ = 425088000. Its totient is φ = 120185856.

The previous prime is 230761301. The next prime is 230761337. The reversal of 230761305 is 503167032.

It is a happy number.

It is not a de Polignac number, because 230761305 - 2² = 230761301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230761301) 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 63 ways as a sum of consecutive naturals, for example, 513721 + ... + 514169.

It is an arithmetic number, because the mean of its divisors is an integer number (6642000).

Almost surely, 2^230761305 is an apocalyptic number.

It is an amenable number.

230761305 is a deficient number, since it is larger than the sum of its proper divisors (194326695).

230761305 is an frugal number, since it uses more digits than its factorization.

230761305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 230761305 is about 15190.8296350134. The cubic root of 230761305 is about 613.3678315963.

The spelling of 230761305 in words is "two hundred thirty million, seven hundred sixty-one thousand, three hundred five".