230520447 has 12 divisors (see below), whose sum is σ = 335406240. Its totient is φ = 152557728.

The previous prime is 230520439. The next prime is 230520473. The reversal of 230520447 is 744025032.

It is not a de Polignac number, because 230520447 - 2³ = 230520439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230520447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230520427) 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, 92247 + ... + 94712.

It is an arithmetic number, because the mean of its divisors is an integer number (27950520).

Almost surely, 2^230520447 is an apocalyptic number.

230520447 is a deficient number, since it is larger than the sum of its proper divisors (104885793).

230520447 is a wasteful number, since it uses less digits than its factorization.

230520447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187102 (or 187099 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 230520447 is about 15182.8998218390. The cubic root of 230520447 is about 613.1543556289.

Adding to 230520447 its reverse (744025032), we get a palindrome (974545479).

The spelling of 230520447 in words is "two hundred thirty million, five hundred twenty thousand, four hundred forty-seven".