230711345 has 4 divisors (see below), whose sum is σ = 276853620. Its totient is φ = 184569072.

The previous prime is 230711339. The next prime is 230711353. The reversal of 230711345 is 543117032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37834801 + 192876544 = 6151^2 + 13888^2 .

It is a cyclic number.

It is not a de Polignac number, because 230711345 - 2¹² = 230707249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23071130 + ... + 23071139.

It is an arithmetic number, because the mean of its divisors is an integer number (69213405).

Almost surely, 2^230711345 is an apocalyptic number.

It is an amenable number.

230711345 is a deficient number, since it is larger than the sum of its proper divisors (46142275).

230711345 is an equidigital number, since it uses as much as digits as its factorization.

230711345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46142274.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 230711345 is about 15189.1851328503. The cubic root of 230711345 is about 613.3235635324.

Adding to 230711345 its reverse (543117032), we get a palindrome (773828377).

The spelling of 230711345 in words is "two hundred thirty million, seven hundred eleven thousand, three hundred forty-five".