230643553 has 8 divisors (see below), whose sum is σ = 263907072. Its totient is φ = 197458656.

The previous prime is 230643541. The next prime is 230643629. The reversal of 230643553 is 355346032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230643553 - 2⁹ = 230643041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230643253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13225 + ... + 25222.

It is an arithmetic number, because the mean of its divisors is an integer number (32988384).

Almost surely, 2^230643553 is an apocalyptic number.

It is an amenable number.

230643553 is a deficient number, since it is larger than the sum of its proper divisors (33263519).

230643553 is an equidigital number, since it uses as much as digits as its factorization.

230643553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39311.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 230643553 is about 15186.9533811097. The cubic root of 230643553 is about 613.2634848453.

Adding to 230643553 its reverse (355346032), we get a palindrome (585989585).

The spelling of 230643553 in words is "two hundred thirty million, six hundred forty-three thousand, five hundred fifty-three".