230208705 has 12 divisors (see below), whose sum is σ = 399028500. Its totient is φ = 122777952.

The previous prime is 230208703. The next prime is 230208721. The reversal of 230208705 is 507802032.

230208705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36108081 + 194100624 = 6009^2 + 13932^2 .

It is not a de Polignac number, because 230208705 - 2¹ = 230208703 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230208703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2557830 + ... + 2557919.

It is an arithmetic number, because the mean of its divisors is an integer number (33252375).

Almost surely, 2^230208705 is an apocalyptic number.

It is an amenable number.

230208705 is a deficient number, since it is larger than the sum of its proper divisors (168819795).

230208705 is a wasteful number, since it uses less digits than its factorization.

230208705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115760 (or 5115757 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 230208705 is about 15172.6301279640. The cubic root of 230208705 is about 612.8778332391.

The spelling of 230208705 in words is "two hundred thirty million, two hundred eight thousand, seven hundred five".