230534523405 has 24 divisors (see below), whose sum is σ = 399918406680. Its totient is φ = 122851674240.

The previous prime is 230534523397. The next prime is 230534523413. The reversal of 230534523405 is 504325435032.

230534523405 is a `hidden beast` number, since 2 + 30 + 534 + 52 + 3 + 40 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (230534523397) and next prime (230534523413).

It can be written as a sum of positive squares in 4 ways, for example, as 138131898921 + 92402624484 = 371661^2 + 303978^2 .

It is not a de Polignac number, because 230534523405 - 2³ = 230534523397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230534523405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2028906 + ... + 2139515.

It is an arithmetic number, because the mean of its divisors is an integer number (16663266945).

Almost surely, 2^230534523405 is an apocalyptic number.

It is an amenable number.

230534523405 is a deficient number, since it is larger than the sum of its proper divisors (169383883275).

230534523405 is a wasteful number, since it uses less digits than its factorization.

230534523405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169661 (or 4169658 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 230534523405 its reverse (504325435032), we get a palindrome (734859958437).

The spelling of 230534523405 in words is "two hundred thirty billion, five hundred thirty-four million, five hundred twenty-three thousand, four hundred five".