230540541244505 has 8 divisors (see below), whose sum is σ = 276651157825224. Its totient is φ = 184430760774400.

The previous prime is 230540541244487. The next prime is 230540541244511. The reversal of 230540541244505 is 505442145045032.

It can be written as a sum of positive squares in 4 ways, for example, as 87019494323776 + 143521046920729 = 9328424^2 + 11980027^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-230540541244505 is a prime.

It is a super-2 number, since 2×230540541244505² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208420886 + ... + 209524095.

It is an arithmetic number, because the mean of its divisors is an integer number (34581394728153).

Almost surely, 2^{230540541244505} is an apocalyptic number.

It is an amenable number.

230540541244505 is a deficient number, since it is larger than the sum of its proper divisors (46110616580719).

230540541244505 is a wasteful number, since it uses less digits than its factorization.

230540541244505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418055307.

The product of its (nonzero) digits is 1920000, while the sum is 44.

Adding to 230540541244505 its reverse (505442145045032), we get a palindrome (735982686289537).

The spelling of 230540541244505 in words is "two hundred thirty trillion, five hundred forty billion, five hundred forty-one million, two hundred forty-four thousand, five hundred five".