230640055 has 8 divisors (see below), whose sum is σ = 284248512. Its totient is φ = 179525088.

The previous prime is 230640017. The next prime is 230640061. The reversal of 230640055 is 550046032.

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 230640055 - 2¹¹ = 230638007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623167 + ... + 623536.

It is an arithmetic number, because the mean of its divisors is an integer number (35531064).

Almost surely, 2^230640055 is an apocalyptic number.

230640055 is a deficient number, since it is larger than the sum of its proper divisors (53608457).

230640055 is a wasteful number, since it uses less digits than its factorization.

230640055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246745.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 230640055 is about 15186.8382160343. The cubic root of 230640055 is about 613.2603845252.

Adding to 230640055 its reverse (550046032), we get a palindrome (780686087).

The spelling of 230640055 in words is "two hundred thirty million, six hundred forty thousand, fifty-five".