230641653 has 16 divisors (see below), whose sum is σ = 338942016. Its totient is φ = 138339840.

The previous prime is 230641591. The next prime is 230641667. The reversal of 230641653 is 356146032.

It is not a de Polignac number, because 230641653 - 2¹³ = 230633461 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230641653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230641673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32826 + ... + 39227.

It is an arithmetic number, because the mean of its divisors is an integer number (21183876).

Almost surely, 2^230641653 is an apocalyptic number.

It is an amenable number.

230641653 is a deficient number, since it is larger than the sum of its proper divisors (108300363).

230641653 is a wasteful number, since it uses less digits than its factorization.

230641653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72164.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 230641653 is about 15186.8908272892. The cubic root of 230641653 is about 613.2618008560.

Adding to 230641653 its reverse (356146032), we get a palindrome (586787685).

The spelling of 230641653 in words is "two hundred thirty million, six hundred forty-one thousand, six hundred fifty-three".