230411557 has 4 divisors (see below), whose sum is σ = 243965196. Its totient is φ = 216857920.

The previous prime is 230411549. The next prime is 230411567. The reversal of 230411557 is 755114032.

It is a happy number.

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 125574436 + 104837121 = 11206^2 + 10239^2 .

It is a cyclic number.

It is not a de Polignac number, because 230411557 - 2³ = 230411549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230411527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6776794 + ... + 6776827.

It is an arithmetic number, because the mean of its divisors is an integer number (60991299).

Almost surely, 2^230411557 is an apocalyptic number.

It is an amenable number.

230411557 is a deficient number, since it is larger than the sum of its proper divisors (13553639).

230411557 is a wasteful number, since it uses less digits than its factorization.

230411557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13553638.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 230411557 is about 15179.3134561481. The cubic root of 230411557 is about 613.0577960191.

Adding to 230411557 its reverse (755114032), we get a palindrome (985525589).

It can be divided in two parts, 2304 and 11557, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 230411557 in words is "two hundred thirty million, four hundred eleven thousand, five hundred fifty-seven".