230444145205 has 4 divisors (see below), whose sum is σ = 276532974252. Its totient is φ = 184355316160.

The previous prime is 230444145163. The next prime is 230444145229. The reversal of 230444145205 is 502541444032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90585348676 + 139858796529 = 300974^2 + 373977^2 .

It is not a de Polignac number, because 230444145205 - 2⁷ = 230444145077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23044414516 + ... + 23044414525.

It is an arithmetic number, because the mean of its divisors is an integer number (69133243563).

Almost surely, 2^230444145205 is an apocalyptic number.

It is an amenable number.

230444145205 is a deficient number, since it is larger than the sum of its proper divisors (46088829047).

230444145205 is an equidigital number, since it uses as much as digits as its factorization.

230444145205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46088829046.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 230444145205 its reverse (502541444032), we get a palindrome (732985589237).

The spelling of 230444145205 in words is "two hundred thirty billion, four hundred forty-four million, one hundred forty-five thousand, two hundred five".